Mean, Median, Mode, and Range Problems

Juan took four 10 point tests and scored an average of 6. If he took a fifth test and scored an 8, how would that affect his mean score?

• It would decrease

• It would increase

• It would remain the same

Penelope spent the following hours of time on homework Monday through Friday.

3, 7, 8, and 4.

How many hours would she need to work to have a median of 5 hours spent on homework for the week.

• 4

• 3

• 5

• 6

Grace has 5 cats that are 5, 2, 7, 6, and 3 years old. If she gets a new cat that is 5 years old, how will that effect the median age of the cats?

• It will increase by 1

• It will decrease by 1

• It will stay the same

In 2019 the following number of babies were born in the Emerald City each month:

12, 35, 18, 17, 13, 27, 12, 18, 27, 33, 15

How many babies need to be born in the last month to have an average of 20 babies born a month?

• 7

• 18

• 13

• 27

Bionca has 5 apple trees in her backyard. The trees produced 6, 13, 14, 9 apples. What happens to the median score if the last tree produced 7 apples.

• It will increase by 2

• It will decrease by 2

• It will stay the same

• It will increase by 1

What happens to the median of the following set of data if 15 is added?

• It will increase by 4

• It will decrease by 4

• It will increase by 5

• It will decrease by 5

How many miles does he need to travel for his median miles biked to be 5 miles?

• 9 miles

• 4 miles

• 6 miles

• 8 miles

What is the mode in this set of numbers:
7, 14, 20, 3, 7, 14, 2, 14, 7

• 7

• 20

• 7 & 14

• none of the above

Mode:
67, 74, 95, 98, 98, 99, 102

• 90.4

• 35

• 92

• 98

Lizzy had test scores of:   72, 94, 108, 60
What is the RANGE of her test scores?

• 12

• 72

• 48

• 98