Question: A sample of 9 mothers was taken. The mothers were asked the age of their oldest child. You are given their responses below.

3 12 4 7 14 6 2 9 11

a. Compute the mean.

b. Compute the variance.

c. Compute the standard deviation.

d. Compute the coefficient of variation.

e. Determine the 25th percentile.

f. Determine the median

g. Determine the 75th percentile.

h. Determine the range.