The frequency distībation shown in Figure 4.24 lisa the ages of 200 andomly selected students who received a bacbelor's đegree at State University last year. Where possīble, determine what percent of the graduates had the following ages: a less than twwenty-three b. at least thirty-one C at most twenty d not less than ninetoea Number of Åge Stadents 10sx<15 1 155I 19 4 19 SI<23 52 23 sx<27 48 27 Sx 31 31 31 S <35 16 35Sx<39 29 39 and over 19

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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.