Homework: Quiz Review - Statistics

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

• 2

• The minimum

• The maximum

• The number of items

What is the mean (average) of this data? Round to the nearest tenth.

• 8.0

• 8.3

• 7.5

• 9.0

What is the median of this data?

• 6.5

• 9

• 10.5

• 8

What is the mode of this data?

• 7

• 10

• 8

• 6.5

A data set can have more than one median?

• True

• False

A data set can have more than one mode

• True

• False

Find the range.

5, 15, 10, 20, 15, 10, 15

• 5

• 10

• 15

• 13

How do you find the median of a data set that has two middle numbers?

• You pick the higher middle number

• You pick the lower middle number

• Add the two middle numbers and divide it by 2

• Subtract the two middle numbers and divide by 2

Which interval has the highest frequency?

• 9 - 10 books

• 7-8 Books

• 5-6 Books

• 3-4 Books

How many students have more than 1,000 songs on their MP3 player?

• 5

• 16

• 10

• 4