Recitation 2

Summary Statistics Quiz

This quiz is self-graded. Being able to correctly calculate summary statistics will be extremely important later on. This is to help you to make sure you understand what you are doing.

1.

Find the mean and standard deviation of the following set of numbers.

-1.4

0.0

-5.2

3.8

1.1

2.

Find the five number summary (minimum, first quartile, median, third quartile, maximum) of the data in question 1

3.

Sketch a boxplot for the data in question 1.

4.

If you had added 100 to all the numbers in question 1, can you find the mean and standard deviation without using your calculator again?