In the problem, we will be studying a sample of 36 people. Age at death is the v

Question

In the problem, we will be studying a sample of 36 people. Age at death is the variable. A sorted list at the age at which they died is given below. 46, 60, 63, 63, 68, 70, 70, 71, 71, 72, 72, 73, 74, 74, 75, 76, 76, 77, 77, 77, 77, 77, 78, 78, 79, 79, 80, 80, 81, 82, 83, 83, 85, 86, 88, 93 (a) Fill in the class interval table below, using 2 decimal places for the percent column. (b) According to the histogram, what is the modality of the distribution? Unimodal Bimodal (c) According to the histogram, whet is the shape of the distribution? Symmetric Skewed left Skewed right (d) Are there any passible ? No Yes, one to the left Yes, one to the right (e) Which number is an outlier? Use the data above and the percentile table below to find the answer. 50

Explanation / Answer

The percentages in order will be:

2.78

0

2.78

5.56

8.33

22.22

36.11

13.89

5.56

2.78

b) Unimodal

c) Skewed left

e) 46

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