Question

I have these graphed and solved however I am struggling with this part.

Answer 1

Part B

1. The shape of the Gretchen's data can be described as skewed to the right.

This is because the top frequency part is at the left, while the lower frequency region or the tail region flows to the right. Hence, skewed to the right.

2. Because of this, the median would be the best center of measure for this data.

Note that whenever a distribution or data set is skewed to the left or right, the median is always the best measure of center tendency than the mean

3. The actual value for the best measure of center is?

We have to find the median of the Gretchen's data set.

Re-arranging in ascending order, we have

`3,4,6,7,7,8,8,9,10,10,10,12,13,15,22`

From here we can see that the middle item is 9, which is the median.

Hence the answer is 9