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The data below represent the ages of a different set of 50 pennies, again calculated using AGE =CURRENT YEAR - YEAR ON PENNY.

Please see  the attachment for details:
a. Draw a relative frequency histogram to describe the istribution of penny ages. Is the shape similar to the shape of the relative frequency histogram in Exercise 1.45?
b. Draw a stem and leaf plot to describe the penny ages. Are there any unusually large or small measurements in the set?

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Step 1

a).

Step-by-step procedure to obtain Histogram using MINITAB.

• Go to Graphs > Histogram > Simple.
• In Graph variables: select Age.
• Click OK.

The output obtained from MINITAB is given below:

Step 2

b).

The stem and leaf plot is obtained using EXCEL MegaStat. The software procedure is given below:

• G to MegaStat > Descriptive statistics.
• Select the range of the variable ...

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