One hundred year record of worldwide seismic activity(1770-1869)
Data for Exercise 6.97
Earthqk
A data frame/tibble with 100 observations on two variables
year seimic activity recorded
annual incidence of sever earthquakes
Quenoille, M.H. (1952), Associated Measurements, Butterworth, London. p 279.
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
EDA(Earthqk$severity) t.test(Earthqk$severity, mu = 100, alternative = "greater")
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