What is the sample mean and the sample standard deviation for the problem below? Please show your work.

The estimated distribution (in millions) of the population by age in a certain countryr for the year215 is shown in the pie chart. Make a frequency distn'bution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set. Use 70 as the midpoint for "65 years and over." I Understyears: 24.1 I 514 years: 47.6 I 1519 years. 13.7 20-24 years: 24.6 I Mm- 5:12 I 354431635: 45.5 I 4554M: 88.8 I (55st and over: 56