Unit 7 - Measures of Central Tendency

What is the mean for the data pictured?

• 10.4

• 10

• 10.5

• 11.1

Which is a synonym for "balance point?"

• median

• mode

• fair share

• mean

• average

How would the mode change if a five was removed from the data set?

4 , 8 , 5 , 17 , 5 , 4 , 9 , 5 , 6 , 82

• The mode would become a 4

• There would be two modes: 4 and 5

• There would be no mode

• The mode would stay the same

What is the balance point for this set of data?

• 8.7

• 7

• 7.4

• 9.6

If you scored 76, 85, 97, and 83 on your math tests, then scored a 96 on a fifth test for the unit, how much would your median score change?

• It would increase by 12 points

• It would decrease by 4 points

• It would increase by 1 point

• It would stay the same

How would the data be affected if the lowest quiz score was dropped from the data listed below?

72, 89, 99, 80, 55

• The median would increase 10 points

• The mean would increase by 6 points

• The mean would decrease by 2 points

• The median would decrease by 5 points

Determine the balance point of this set of data.

• D
• E
• F
• C

The median of the numbers 34, 32, 12, 65, and 45 is...

• 12

• 32

• 34

• 65

The average temperatures across Washington, Texas, Oklahoma, New York, Missouri, Georgia, Hawaii and Michigan are 48°F, 65°F, 60°F, 45°F, 54°F, 64°F, 70°F and 45°F respectively. Find the median.

• 25° F

• 57° F

• 56°

• 50° F

What is the mode in the following numbers? [3, 7, 24, 3, 7, 7, 1, 3, 7, 3]

• 3 and 7 both are modes

• There is no mode

• 3 only

• 7 only