A statistics professor asks each of the students in an introductory statistics lecture to fill out a survey. There are 100 students in the course, and each one filled out the survey. One of the questions asked students to state their age. The data are included below. Use Excel to calculate the population standard deviation and the population variance. Round your answers to one decimal place. Do not round until you've calculated your final answer "Age of students" 19 20 19 18 20 19 17 17 23 24 21 21 21 22 19 20 22 18 18 18 19 19 20 20 17 21 21 18 20 21 19 18 20 20 21 20 21 20 21 37 19 22 19 21 22 19 19 43 24 23 20 22 17 21 19 20 18 20 22 22 21 19 20 22 19 18 18 18 22 17 19 19 23 21 17 18 20 20 20 20 24 18 22 30 20 19 22 22 19 23 18 20 19 21 21 19 20 20 20 18

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.