n Critique/Movement Analysis Assignments Math 1342-82001 Elementary Statistcs Kailyn Simmons 03/09/22 11:06 AM ? Homework: Section 2.4 Homework Question 9, 2.4.41 HW Score: 29.41%, 5 of 17 points Part 1 of 2 O Points: 0 of 1 Save The estimated distribution (in millions) of the population by age in a certain country for the year 2015 is shown in the pie chart. Make a Under 4 years: 22.5 frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set. Use 5-14 years: 45.2 70 as the midpoint for "65 years and over." 15-19 years: 17.1 20-24 years: 22.7 25-34 years: 47.8 35-44 years: 41.7 45-64 years: 85.4 65 years and over: 56.1 The sample mean is x = (Round to two decimal places as needed.)