Data review

What percent of nights did he spend between 25 and 35 minutes doing homework?

• 25
• 50
• 75
• 100

What is the median amount of time Matt spent on homework?

• 20
• 25
• 30
• 35

How would you describe this distribution?

• Left skewed
• Uniform
• Right Skewed
• Symmetrical

How are the mean and the median likely to be related in this histogram?

• Mean > Median
• Mean = Median
• Mean < Median

What is the standard deviation for the data given:
5, 10, 7, 12, 0, 20, 15, 22, 8, 2

• 6.89
• 10.1
• 7.26
• 9

Find the median, mode and range: 
3, 5, 7, 9, 11, 8, 3

• median:9  mode:3  range:8
• median:7  mode:3  range:7
• median:7  mode:3 range:8

How many total votes were collected?

• 5
• 10
• 15
• 20

On Roberto’s shelf are:

• 6 mystery books

• 5 science books

• 4 history books

• 3 adventure books

Roberto will randomly choose a couple of books to read. What is the probability that he will choose an adventure book, put it back, and then choose a mystery book?

• 1/18

• 1/17

• 1/9

• 6/108

The spinner is used for a television game show. What is the probability of NOT spinning red on the spinner?

• 3/8

• 1/4

• 5/8

• 2/8

A desk drawer contains the different-colored markers listed below.

· 3 green markers

· 5 blue markers

· 8 red markers

A marker will be randomly selected from the drawer and without replacement. Then another marker will be randomly selected from the drawer. What is the probability that a green marker will be selected both times?

• 3/128

• 1/40

• 3/80

• 5/80