BSDA

Daily price returns (in pence) of Abbey National shares between 7/31/91 and 10/8/91

Three samples to illustrate analysis of variance

Crimes reported in Abilene, Texas

Perceived math ability for 13-year olds by gender

Abortion rate by region of country

Number of absent days for 20 employees

Math achievement test scores by gender for 25 high school students

Number of ads versus number of sales for a retailer of satellite dishes

Agressive tendency scores for a group of teenage members of a street gang

Monthly payments per person for families in the AFDC federal program

Incubation times for 295 patients thought to be infected with HIV by a blood transfusion

Aircraft disasters in five different decades

Percentage of on-time arrivals and number of complaints for 11 airlines

Ages at which 14 female alcoholics began drinking

Allergy medicines by adverse events

Recovery times for anesthetized patients

Math test scores versus anxiety scores before the test

Level of apolipoprotein B and number of cups of coffee consumed per day for 15 adult males

Median costs of an appendectomy at 20 hospitals in North Carolina

Median costs of appendectomies at three different types of North Carolina hospitals

Aptitude test scores versus productivity in a factory

Radiocarbon ages of observations taken from an archaeological site

Time of relief for three treatments of arthritis

Durations of operation for 15 artificial heart transplants

Dissolving time versus level of impurities in aspirin tablets

Asthmatic relief index on nine subjects given a drug and a placebo

Number of convictions reported by U.S. attorney's offices

Number of defective auto gears produced by two manufacturers

Illustrates inferences based on pooled t-test versus Wilcoxon rank sum test

Baseball salaries for members of five major league teams

Graduation rates for student athletes and nonathletes in the Big Ten Conf.

Test scores on first exam in biology class

Live birth rates in 1990 and 1998 for all states

Education level of blacks by gender

Blood pressure of 15 adult males taken by machine and by an expert

Incomes of board members from three different universities

Bone density measurements of 35 physically active and 35 non-active women

Number of books read and final spelling scores for 17 third graders

Prices paid for used books at three different bookstores

Brain weight versus body weight of 28 animals

Repair costs of vehicles crashed into a barrier at 5 miles per hour

Attendance of bus drivers versus shift

Median charges for coronary bypass at 17 hospitals in North Carolina

Confidence Interval Simulation Program

Estimates of costs of kitchen cabinets by two suppliers on 20 prospective homes

Survival times of terminal cancer patients treated with vitamin C

Carbon monoxide level measured at three industrial sites

Reading scores on the California achievement test for a group of 3rd graders

Entry age and survival time of patients with small cell lung cancer under two different treatments

Temperatures and O-ring failures for the launches of the space shuttle Challenger

Starting salaries of 50 chemistry majors

Surface salinity measurements taken offshore from Annapolis, Maryland in 1927

Insurance injury ratings of Chevrolet vehicles for 1990 and 1993 models

Weight gain of chickens fed three different rations

Measurements of the thickness of the oxide layer of manufactured integrated circuits

Four measurements on a first wafer and four measurements on a second wafer selected from 30 lots

Milligrams of tar in 25 cigarettes selected randomly from 4 different brands

Effect of mother's smoking on birth weight of newborn

Percent of peak bone density of different aged children

Residual contaminant following the use of three different cleansing agents

Signal loss from three types of coxial cable

Productivity of workers with and without a coffee break

Yearly returns on 12 investments

Combinations

Commuting times for selected cities in 1980 and 1990

Tennessee self concept scale scores for a group of teenage boys

Compressive strength of concrete blocks made by two different methods

Comparison of the yields of a new variety and a standard variety of corn planted on 12 plots of land

Exercise to illustrate correlation

Scores of 18 volunteers who participated in a counseling process

Consumer price index from 1979 to 1998

Violent crime rates for the states in 1983 and 1993

Charles Darwin's study of cross-fertilized and self-fertilized plants

Automobile dealers classified according to type dealership and service rendered to customers

Number of defective items produced by 20 employees

Percent of bachelor's degrees awarded women in 1970 versus 1990

Delay times on 20 flights from four major air carriers

Number of dependent children for 50 families

Educational levels of a sample of 40 auto workers in Detroit

Demographic characteristics of developmental students at 2-year colleges and 4-year colleges

Test scores for students who failed developmental mathematics in the fall semester 1995

Outcomes and probabilities of the roll of a pair of fair dice

Diesel fuel prices in 1999-2000 in nine regions of the country

Parking tickets issued to diplomats

Toxic intensity for manufacturing plants producing herbicidal preparations

Rankings of the favorite breeds of dogs

Rates of domestic violence per 1,000 women by age groups

Dopamine b-hydroxylase activity of schizophrenic patients treated with an antipsychotic drug

Closing yearend Dow Jones Industrial averages from 1896 through 2000

Opinion on referendum by view on moral issue of selling alcoholic beverages

Number of trials to master a task for a group of 28 subjects assigned to a control and an experimental group

Data on a group of college students diagnosed with dyslexia

Exploratory Data Anaalysis

One hundred year record of worldwide seismic activity(1770-1869)

Crime rates versus the percent of the population without a high school degree

Number of eggs versus amounts of feed supplement

Percent of the population over the age of 65

Amount of energy consumed by homes versus their sizes

Salaries after 10 years for graduates of three different universities

College entrance exam scores for 24 high school seniors

Fuel efficiency ratings for compact vehicles in 2001

Fuel efficiency ratings for two-seater vehicles in 2001

Ages of 25 executives

Weight loss for 30 members of an exercise program

Measures of softness of ten different clothing garments washed with and without a softener

Waiting times between successive eruptions of the Old Faithful geyser

Size of family versus cost per person per week for groceries

Choice of presidental ticket in 1984 by gender

Choice of vice presidental candidate in 1984 by gender

Fertility rates of all 50 states and DC

Ages of women at the birth of their first child

Length and number of fish caught with small and large mesh codend

Number of sit-ups before and after a physical fitness course

Florida voter results in the 2000 presidential election

Breakdown times of an insulating fluid under various levels of voltage stress

Annual food expenditures for 40 single households in Ohio

Cholesterol values of 62 subjects in the Framingham Heart Study

Ages of a random sample of 30 college freshmen

Cost of funeral by region of country

Velocities of 82 galaxies in the Corona Borealis region

Results of a Gallup poll on possession of marijuana as a criminal offense conducted in 1980

Price of regular unleaded gasoline obtained from 25 service stations

Number of errors in copying a German passage before and after an experimental course in German

Distances a golf ball can be driven by 20 professional golfers

Annual salaries for state governors in 1994 and 1999

High school GPA versus college GPA

Test grades in a beginning statistics class

Graduation rates for student athletes in the Southeastern Conf.

Varve thickness from a sequence through an Eocene lake deposit in the Rocky Mountains

Thickness of a varved section of the Green river oil shale deposit near a major lake in the Rocky Mountains

Group data to illustrate analysis of variance

An illustration of analysis of variance

Children's age versus number of completed gymnastic activities

Study habits of students in two matched school districts

Haptoglobin concentration in blood serum of 8 healthy adults

Daily receipts for a small hardware store for 31 working days

Tensile strength of Kraft paper for different percentages of hardwood in the batches of pulp

Primary heating sources of homes on indian reservations versus all households

Fuel efficiency ratings for three types of oil heaters

Results of treatments for Hodgkin's disease

Median prices of single-family homes in 65 metropolitan statistical areas

Number of hours per week spent on homework for private and public high school students

Miles per gallon for a Honda Civic on 35 different occasions

Hostility levels of high school students from rural, suburban, and urban areas

Median home prices for 1984 and 1993 in 37 markets across the U.S.

Number of storms, hurricanes and El Nino effects from 1950 through 1995

Number of icebergs sighted each month south of Newfoundland and south of the Grand Banks in 1920

Percent change in personal income from 1st to 2nd quarter in 2000

Illustrates a comparison problem for long-tailed distributions

Educational attainment versus per capita income and poverty rate for American indians living on reservations

Average miles per hour for the winners of the Indianapolis 500 race

Qualifying miles per hour and number of previous starts for drivers in 79th Indianapolis 500 race

Private pay increase of salaried employees versus inflation rate

Inlet oil temperature through a valve

Type of drug offense by race

Percent of vehicles passing inspection by type inspection station

Heat loss through a new insulating medium

GPA versus IQ for 12 individuals

R.A. Fishers famous data on Irises

Number of problems reported per 100 cars in 1994 versus 1995s

Job satisfaction and stress level for 9 school teachers

Smoking habits of boys and girls ages 12 to 18

Rates per kilowatt-hour for each of the 50 states and DC

Reading scores for first grade children who attended kindergarten versus those who did not

Median costs of laminectomies at hospitals across North Carolina in 1992

Lead levels in children's blood whose parents worked in a battery factory

Leadership exam scores by age for employees on an industrial plant

Survival time of mice injected with an experimental lethal drug

Life expectancy of men and women in U.S.

Life span of electronic components used in a spacecraft versus heat

Relationship between damage reports and deaths caused by lightning

Measured traffic at three prospective locations for a motor lodge

Long-tailed distributions to illustrate Kruskal Wallis test

Reading skills of 24 matched low ability students

Magnesium concentration and distances between samples

Amounts awarded in 17 malpractice cases

Advertised salaries offered general managers of major corporations in 1995

Percent of marked cars in 65 police departments in Florida

Standardized math test scores for 30 students

Standardized math competency for a group of entering freshmen at a small community college

Math proficiency and SAT scores by states

Error scores for four groups of experimental animals running a maze

Illustrates test of equality of medians with the Kruskal Wallis test

Median mental ages of 16 girls

Concentration of mercury in 25 lake trout

Monthly rental costs in metro areas with 1 million or more persons

Miller personality test scores for a group of college students applying for graduate school

Twenty scores on the Miller personality test

Moisture content and depth of core sample for marine muds in eastern Louisiana

Carbon monoxide emitted by smoke stacks of a manufacturer and a competitor

Moral attitude scale on 15 subjects before and after viewing a movie

Improvement scores for identical twins taught music recognition by two techniques

Estimated value of a brand name product and the conpany's revenue

Efficiency of pit crews for three major NASCAR teams

Reaction effects of 4 drugs on 25 subjects with a nervous disorder

Daily profits for 20 newsstands

Rating, time in 40-yard dash, and weight of top defensive linemen in the 1994 NFL draft

Rating, time in 40-yard dash, and weight of top offensive linemen in the 1994 NFL draft

Nicotine content versus sales for eight major brands of cigarettes

Price of oranges versus size of the harvest

Salaries of members of the Baltimore Orioles baseball team

Arterial blood pressure of 11 subjects before and after receiving oxytocin

Education backgrounds of parents of entering freshmen at a state university

Years of experience and number of tickets given by patrolpersons in New York City

Karl Pearson's data on heights of brothers and sisters

Length of long-distance phone calls for a small business firm

Number of poisonings reported to 16 poison control centers

Political party and gender in a voting district

Air pollution index for 15 randomly selected days for a major western city

Porosity measurements on 20 samples of Tensleep Sandstone, Pennsylvanian from Bighorn Basin in Wyoming

Percent poverty and crime rate for selected cities

Robbery rates versus percent low income in eight precincts

Racial prejudice measured on a sample of 25 high school students

Ages at inauguration and death of U.S. presidents

Degree of confidence in the press versus education level for 20 randomly selected persons

Klopfer's prognostic rating scale for subjects receiving behavior modification therapy

Effects of four different methods of programmed learning for statistics students

PSAT scores versus SAT scores

Correct responses for 24 students in a psychology experiment

Weekly incomes of a random sample of 50 Puerto Rican families in Miami

Plasma LDL levels in two groups of quail

Quality control test scores on two manufacturing processes

Rainfall in an area of west central Kansas and four surrounding counties

Research and development expenditures and sales of a large company

Survival times of 20 rats exposed to high levels of radiation

Grade point averages versus teacher's ratings

Threshold reaction time for persons subjected to emotional stress

Standardized reading scores for 30 fifth graders

Reading scores versus IQ scores

Opinion on referendum by view on freedom of the press

Pollution index taken in three regions of the country

Maintenance cost versus age of cash registers in a department store

Rehabilitative potential of 20 prison inmates as judged by two psychiatrists

Math placement test score for 35 freshmen females and 42 freshmen males

Weekly rentals for 45 apartments

Recorded times for repairing 22 automobiles involved in wrecks

Length of employment versus gross sales for 10 employees of a large retail store

Oceanography data obtained at site 1 by scientist aboard the ship Ron Brown

Oceanography data obtained at site 2 by scientist aboard the ship Ron Brown

Social adjustment scores for a rural group and a city group of children

Sign Test

Simple Random Sampling

Starting salaries for 25 new PhD psychologist

Surface-water salinity measurements from Whitewater Bay, Florida

SAT scores, percent taking exam and state funding per student by state for 1994, 1995 and 1999

Problem asset ration for savings and loan companies in California, New York, and Texas

Readings obtained from a 100 pound weight placed on four brands of bathroom scales

Exam scores for 17 patients to assess the learning ability of schizophrenics after taking a specified does of a tranquilizer

Standardized exam scores for 13 patients to investigate the learning ability of schizophrenics after a specified dose of a tranquilizer

Injury level versus seatbelt usage

Self-confidence scores for 9 women before and after instructions on self-defense

Reaction times of 30 senior citizens applying for drivers license renewals

Sentences of 41 prisoners convicted of a homicide offense

Effects of a drug and electroshock therapy on the ability to solve simple tasks

Effect of experimental shock on time to complete difficult task

Sales receipts versus shoplifting losses for a department store

James Short's measurements of the parallax of the sun

Number of people riding shuttle versus number of automobiles in the downtown area

Grade point averages of men and women participating in various sports-an illustration of Simpson's paradox

Maximum number of situps by participants in an exercise class

Illustrates the Wilcoxon Rank Sum test

Survival times of closely and poorly matched skin grafts on burn patients

Sodium-lithium countertransport activity on 190 individuals from six large English kindred

Water pH levels of 75 water samples taken in the Great Smoky Mountains

Snoring versus heart disease

Concentration of microparticles in snowfields of Greenland and Antarctica

Weights of 25 soccer players

Median income level for 25 social workers from North Carolina

Grade point averages, SAT scores and final grade in college algebra for 20 sophomores

Murder rates for 30 cities in the South

Speed reading scores before and after a course on speed reading

Standardized spelling test scores for two fourth grade classes

Spelling scores for 9 eighth graders before and after a 2-week course of instruction

Favorite sport by gender

Convictions in spouse murder cases by gender

Times of a 2-year old stallion on a one mile run

Thicknesses of 1872 Hidalgo stamps issued in Mexico

Grades for two introductory statistics classes

Operating expenditures per resident for each of the state law enforcement agencies

Test scores for two beginning statistics classes

STEP science test scores for a class of ability-grouped students

Short-term memory test scores on 12 subjects before and after a stressful situation

Number of hours studied per week by a sample of 50 freshmen

Number of German submarines sunk by U.S. Navy in World War II

Time it takes a subway to travel from the airport to downtown

Wolfer sunspot numbers from 1700 through 2000

Margin of victory in Superbowls I to XXXV

Top speeds attained by five makes of supercars

Ozone concentrations at Mt. Mitchell, North Carolina

Average teacher's salaries across the states in the 70s 80s and 90s

Tennessee self concept scores for 20 gifted high school students

Tensile strength of plastic bags from two production runs

Grades on the first test in a statistics class

Heat loss of thermal pane windows versus outside temperature

1999-2000 closing prices for TIAA-CREF stocks

Time to complete an airline ticket reservation

Consumer Reports (Oct 94) rating of toaster ovens versus the cost

Size of tonsils collected from 1,398 children

The number of torts, average number of months to process a tort, and county population from the court files of the nation's largest counties

Hazardous waste sites near minority communities

National Olympic records for women in several races

Olympic winning times for the men's 1500-meter run

Illustrates analysis of variance for three treatment groups

Number of trees in 20 grids

Miles per gallon for standard 4-wheel drive trucks manufactured by Chevrolet, Dodge and Ford

Percent of students that watch more than 6 hours of TV per day versus national math test scores

Intelligence test scores for identical twins in which one twin is given a drug

Data set describing a sample of undergraduate students

Number of days of paid holidays and vacation leave for sample of 35 textile workers

Reported serious reactions due to vaccines in 11 southern states

Fatality ratings for foreign and domestic vehicles

Verbal test scores and number of library books checked out for 15 eighth graders

Number of sunspots versus mean annual level of Lake Victoria Nyanza from 1902 to 1921

Viscosity measurements of a substance on two different days

Visual acuity of a group of subjects tested under a specified dose of a drug

Reading scores before and after vocabulary training for 14 employees who did not complete high school

Volume of injected waste water from Rocky Mountain Arsenal and number of earthquakes near Denver

Weather casualties in 1994

Price of a bushel of wheat versus the national weekly earnings of production workers

Direct current produced by different wind velocities

Wind leakage for storm windows exposed to a 50 mph wind

Baseball team wins versus seven independent variables for National league teams in 1990

Strength tests of two types of wool fabric

Monthly sunspot activity from 1974 to 2000

Normal Area

Required Sample Size

Normality Tester

Summarized t-test

Z-test

Summarized z-test