The incubation rates for the mysterious “O” virus has been

The incubation rates for the mysterious “O” virus has been recorded in days. The number of days ranges from 5 – 37.

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Arrange your data into an array.
Select your intervals. Explain your rationale for the intervals you selected.
Construct a frequency table. Remember, your frequency table should include class interval, frequency, relative frequency and cumulative relative frequency.  
Construct a histogram based on your table. Hand-drawn histograms are fine–maybe preferable. Be sure to follow all of the steps in the module.
Construct a frequency polygon based on your table. Hand-drawn polygons are fine–maybe preferable. Be sure to follow all of the steps in the module.
Find the mean, median, and mode for the data.
Is the data in question 2 skewed? Why or why not?
Pretend you are emailing your friend about the “O” virus. What would you say?