Question

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1. Create a graph (either a histogram, box plot or stem and leaf plot … pick just one). Your graph could have either 5, 6 or 7 classes, depending on how you set it up. Create a table and list the class boundaries and the frequency in each class. You must explain to me in detail if you used fewer than 5 classes or more than 7 classes.

Answer 1

I am going to use 6 classes in the below example.

Frequency Table:

Here in the above frequency table, frequencies are calculated in each calss intervals. There is a total number 42 values in the dfferent classes.

Width of the each class interval is 10.

Histogram:

Select class interval and frequency to make a frequency Histogram.

Table and Histogram:

Formula reference: