Posted: September 16th, 2017

The data on age (in years) and title of 12 of the most powerful women in country A are shown in the table to the right.

2. The data on age (in years) and title of 12 of the most powerful women in country A are shown in the table to the right.

Rank Age Title Rank Age Title 1 48 CEO I chairman 7 51 Chairman 2 46 CEO I chairman 8 45 President 3 53 CEO I president 9 49 Treasurer 4 50 President 10 41 CEO I president 5 52 CEO I chairman 11 54 President 6 56 Chairman 12 38 chairman

a. Find the range of the ages for these 12 women. range= __

b. Find the variance of the ages for these 12 women. s2 = __ (Round to two decimal places as needed.)

c. Find the standard deviation of the ages for these 12 women. s = __ (Round to two decimal places as needed.)

d. Suppose the standard deviation of the ages of the most powerful women in country B is 6 years. For which location, country A or B, is the age data more variable? A. Country A B. Country B