Question: Construct a histogram for the data in Exercise 21. Explain how the histogram shows whether it is appropriate to treat this sample as coming from

Construct a histogram for the data in Exercise 21.

Explain how the histogram shows whether it is appropriate to treat this sample as coming from an approximately normal population.

Exercise 21

The number of minutes needed to complete a certain spreadsheet task was measured for 20 clerical workers.

The results were as follows.4.5 5.8 3.7 4.9 4.3 4.7 5.8 3.2 3.0 5.1 3.6 4.3

Construct a boxplot for this sample. Is it reasonable to treat the sample as coming from an approximately normal population?
Explain.

4.5 5.8 3.7 4.9 4.3 4.7 5.8 3.2 3.0 5.1 3.6 4.3 3.6 5.4 4.7 3.0 3.4 4.3 4.4 3.5

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