Statistics Diagnostic Test

What type of graph is this?

• Pie graph

• Column graph

• Bar graph

• Line graph

Which of the following characteristics of the graph needs to be fixed?

• Title

• Vertical (y) axis

• Horizontal (x) axis

• Legend

This pie graph shows brands of running shoes used by a group of joggers. Which is the most popular?

• Nike

• Asics

• Adidas

• Puma

This pie graph shows the favourite colour of students. Approximately what percentage of students like blue?

• 10%

• 20%

• 25%

• 30%

What is the most common number in this dot plot?

• 3

• 4

• 7

• 8

Which term refers to the middle number?

• Mean

• Median

• Mode

• Range

For this data set, what is the middle number?

1, 2, 3, 4, 5, 6, 6, 7, 9

• 4

• 5

• 6

• 7

Which term refers to the most common number?

• Mean

• Median

• Mode

• Range

For this data set, what is the most common number?

1, 2, 3, 4, 5, 6, 6, 7, 9

• 4

• 5

• 6

• 7

How is the mean (average) calculated?

• Find the value that occurs most frequently

• Find the difference between the largest and smallest scores

• Find the middle value when the values are sorted from lowest to highest

• Find the sum of all the values and divide by the total number of values