Statistics Skills Quiz for Grade 9

A class of students recorded the number of books they read in a month: 2, 3, 3, 4, 5, 5, 5, 6, 7. What is the mode of the data set?

Mathematical Equivalence

ON

Given the data set: 8, 10, 10, 12, 14, 16, 18, calculate the range.

Mathematical Equivalence

ON

The following are the scores of students in a test: 75, 67, 70, 72, 67, 80, 56. What is the median score?

Mathematical Equivalence

ON

A group of friends measured their heights in feet: 5.2, 5.5, 5.5, 5.8, 6.0. What is the mean height?

Mathematical Equivalence

ON

In a frequency table, the number of students scoring between 70-80 is 5, 80-90 is 10, and 90-100 is 15. What is the cumulative frequency for scores up to 90?

• 5

• 10

• 15

• 20

The weights of five parcels are 5kg, 2kg, 4kg, 3kg, and 3kg. What is the mode of the weights?

• 2kg

• 5kg

• 3kg

• 3.5kg

A data set contains the following values: 15, 18, 22, 22, 25, 30. What is the range of the data set?

Mathematical Equivalence

ON

The temperatures recorded over a week in degrees Celsius are: 18, 12, 20, 15, 16, 14, 15. What is the median temperature?

• 15

• 16

• 14

• 18

A frequency table shows the number of students with different shoe sizes: Size 5 - 3 students, Size 6 - 5 students, Size 7 - 7 students. What is the cumulative frequency for shoe sizes up to size 6?

• 3

• 5

• 8

• 15

Calculate the mean of the following data set: 4, 6, 8, 10, 12.

Mathematical Equivalence

ON