1. The data set shows the January 1 noon temperatures in degrees Fahrenheit for a particular city in each of the past 6 years.

28 34 27 42 52 15

1. What is the five-number summary of the data set?

_

1. What is the mean, x , of the data set?
2. What is the sum of the squares of the differences between each data value and the mean? Use the table to organize your work.

x	_ x- x	_ 2 ( x - x )
		Sum:

1. What is the standard deviation of the data set? Use the sum from Part (c) and show your work.