Measures of Center

John has saved money over the last 5 months. If he saved $4 in the first month, $8 in the second month, $12 in the third month, $16 in the fourth month, and $20 in the fifth month, what is the mean amount of money saved per month?

• 10

• 12

• 14

• 16

Find the median of the dataset: 3, 7, 9, 15, 17.

• 7

• 9

• 15

• 17

Which of the following sets of numbers has a mode of 5?

• 2, 3, 5, 5, 7

• 1, 2, 3, 4, 5

• 3, 4, 5, 8, 9

• 4, 5, 6, 7, 8

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

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

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

The frequency table shows the gas mileages of several vehicles. The data would be ​ (a)   so the best measure of center would be the ​ (b)   and the best measure of variation would be the ​ (c)   ​ ​

• Skewed Right

• median

• Interquartile Range

• Skewed Left

• Symmetrical

• Mean

• Mean Absolute Deviation

The table lists five counties with the largest area in Texas. Which measure of center/variation best represents the average size of these counties?

• mean

• IQR

• mode

• range

If the mean of five numbers is 9, what is the total sum of all five numbers?

• 25

• 35

• 45

• 55

Tags

CCSS.3.NF.A.3C

Find the median of the dataset: 22, 4, 18, 9, 33, 7. Remember to first arrange the numbers in ascending order.

• 13.5

• 14

• 15.5

• 16