Question: Q-1. The following data represents random samples taken from two different populations A and B: A 31 10 69 25 62 61 46 74 57

Q-1. The following data represents random samples taken from two different populations A and B:

A 31 10 69 25 62 61 46 74 57

B 1,030 1,111 1,155 978 943 983 932 1,067 1,013

a) Compute the mean and standard deviation for the sample data randomly selected from the population A?

b) Compute the mean and standard deviation for the sample data randomly selected from population B?

c) Which sample has the greater spread when measured by the standard deviation?

d) Compute the coefficient of variation for the sample selected from population A and population B . Which sample exhibits the greater relative variation?

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