Data Review

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

• median:7  mode:3  range:7

• median:6  mode:3  range:7

• median:7  mode:3  range:8

To find the mean of a set of numbers, add up all the items and divide by...

• 2

• The minimum

• The maximum

• The number of data

What is the mode?

• occurring the most

• the average

• greatest - least

• the middle #

What is the range?

• average

• greatest-least

• the middle #

• # happening the most

Information collected about people, events, and objects is ______???

• information

• data

• frequency

• analysis

The table shows the amounts Sheldon and Jenna paid for electricity in their apartments each month for the last six months. Based on the table, which statement is true about the amounts Sheldon and Jenna paid for electricity during these six months?

• Only Sheldon’s electricity expense was a fixed expense.

• Only Jenna’s electricity expense was a fixed expense.

• Both Sheldon’s electricity expense and Jenna’s electricity expense were variable expenses.

• Both Sheldon’s electricity expense and Jenna’s electricity expense were fixed expenses.

What percentage of the data is between 40 and 150?

• 25 %

• 50%

• 75%

• 100%

How many students scored more than 80%?

• 10

• 13

• 7

• 15

How many scores are listed in this Stem and Leaf Plot?

• 3

• 6

• 9

• 18

What are Adrian's highest and lowest homework grades?

• 7 and 10

• 73 and 100

• 3 and 9