# Question: For the data in Exercise 71 set up a grouped

For the data in Exercise 71, set up a grouped data frequency table using classes 0 to under 3, 3 to under 6, and 6 to under 9, and 9 to under 12.

In exercise

a. Draw the histogram.

b. Estimate the mean, the variance and the standard deviation for the values represented in the table.

In exercise

a. Draw the histogram.

b. Estimate the mean, the variance and the standard deviation for the values represented in the table.

## Answer to relevant Questions

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