1.The following data represent the annual rainfall distribution in St. Louis, Missouri, for a sample of 25 years from 1870 to 2004.
Find the interquartile range for the given grouped data.
2.The following data give the annual salaries (in thousand dollars) of 20 randomly selected health care workers.
50 71 57 39 45 64 38 53 35 62
74 40 67 44 77 61 58 55 64 59
a.Compute the range, variance, and standard deviation for these
data.
b. Calculate the coefficient of variation.
Answer:
Thunderstorm – A rain-bearing cloud that also produces lightning. All thunderstorms are dangerous. Every thunderstorm produces lightning. … Other associated dangers of thunderstorms include tornadoes, strong winds, hail, and flash flooding.