Here is a stem-and-leaf display of the escape time dataintroduced in Exercise 36 of this chapter.32 5533 493435 669936 3446937 0334538 939 234740 234142 4a. Determine the value of the fourth spread.b. Are there any outliers in the sample? Any extremeoutliers?c. Construct a boxplot and comment on its features.d. By how much could the largest observation, currently424, be decreased without affecting the valueof the fourth spread?

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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.