Impact on Data - Medium

Will the mean ​ ​ (a)   if you remove the number 8 from the data set?

6, 7, 8, 12, 20

• increase
• decrease
• stay the same

Tags

7.4.1.2

The median will increase, decrease or stay the same if you add 15 to the data set. If it changes, by how much?

13, 24, 18, 12, 29

• Stay the same

• Increase, 1.5

• Decrease, 1.5

Tags

7.4.1.2

Which point would you want to remove to make the mean decrease by 2?

15, 16, 32, 25

• 12

• 22

• 20

• 16

Tags

7.4.1.2

Which value would you add increase the median by 1?

14, 16, 12, 23, 18

• 18

• 14

• 16

• 12

Tags

7.4.1.2

Will the mean increase, decrease, or stay the same if you add 24 to the data set?

If it changes, by how much?

16, 17, 25, 38

• Increase by 3

• Decrease by 2

• Stay the same

Tags

7.4.1.2

Which number would you add to increase the mean by 1.5?

15, 18, 21, 24

• 30

• 27

• 33

• 36

Tags

7.4.1.2

Which value would you remove to increase the mean by 0.5?

15, 19, 31, 23, 17

• 15

• 19

• 23

• 31

Tags

7.4.1.2

Which value would you remove to make the median decrease by 2?

23, 15, 36, 22, 57, 27

• 15

• 22

• 36

• 27

Tags

7.4.1.2

A farmer records the weights of 5 large watermelons. When 1 more watermelon weight is added to the data, the median of the data decreases by 1. What watermelon weight is added to the data?

• 27

• 28

• 29

• 30

Tags

7.4.1.2

In a data set, the maximum value and the minimum value are deleted. Which measure must remain the same?

• Mean

• Range

• Median

• Minimum

Tags

7.4.1.2