Measures of Center Circumcenter Center

Use the table to find the mean

• 105

• 111

• 118

• 130

Find the Median of the data set

• 77

• 99

• 80

• 78.5

Find the Missing Value that would make the mean of the data set 25

• 22

• 23

• 24

• 26

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 94 was the highest score on the test.

• More students received a 94 than any other score

• No student scored below a 94

• A score of 91 was slightly below average.

The box plot shows the test scores in Mr. Jordan's class. The appropriate measure of center is the ​ ​ ​ (a)  

• Median

• Mode

• Mean

• Range

• IQR

Read the definition and match each word to the correct box.

• Mode

• Measure of center that lies in the middle of a set of data arranged in order

• Range

• Measure of variation that represents the spread of a set of data.

• Median

• Measure of center that represents the fair share of a set of data.

• Mean

• Measure of center that occurs most often in a data set.

The tennis team needs to raise money by selling raffle tickets. The box plots show how many tickets were sold over 15 days by 3 students. What is the appropriate measure of center for Daniel?​ (a)  

• Median

• Mean

• Range

• IQR

Annabel is comparing the distances that two electric cars can travel after the battery is fully charged. Use the measures of center to make an inference about the data. Use the drop-down menus to complete your answer. ​ (a)   can travel further than ​ (b)   after the battery is fully charged.

• Car B

• Car A

Read the definition and match each word to the correct box.

• Median

• Measure of center that represents the fair share of a set of data.

• Range

• Measure of center that lies in the middle of a set of data arranged in order

• Mode

• Measure of variation that represents the spread of a set of data.

• Mean

• Measure of center that occurs most often in a data set.

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