MMM and Circle Graphs Review

Mean, Median, Mode, and Circle Graphs

Measures of Center

​Mean - "average" or "balance point," found by adding all numbers together and dividing by amount of numbers you have. (or use the mean button on Desmos)


Median - "middle," found by ordering numbers from least to greatest and finding the one in the middle. If there are two, add them together and divide by 2.


Mode - "most popular," found by looking for the number that shows up most often.

Multiple Choice

Which measure of center means the average or balance point?

• Range

• Mean

• Mode

• Median

Multiple Choice

Which one means the middle number?

• Median

• Mode

• Mean

• Range

Multiple Choice

Which one means the "most popular" or the one that shows up the most?

• Mean

• Median

• Mode

• Range

Multiple Choice

Find the mean: 5, 10, 6, 9

• 5.5

• 8

• 7.5

• 30

Multiple Choice

What is the balance point for this data set?

• 75

• 72

• 80

• 70

Multiple Choice

Find the median: 5, 9, 2, 10, 8

• 2

• 10

• 6.8

• 8

Outliers

An outlier is a number that is VERY different from the rest of the set.



If an outlier is much larger, it will increase the mean.

If an outlier is much smaller, it will decrease the mean.

Multiple Choice

Given the data set below, how would adding the number 200 affect the mean:

5, 25, 15, 10, 42

• The mean would increase

• The mean would decrease

• The mean would stay the same

Circle Graphs

Circle graphs show data as parts out of a whole.

All of the percentages in a circle graph will add up to 100%

Multiple Choice

What percent of the circle graph is sneakers?

• 33%

• 100%

• 22%

• 25%

If 80 people voted for their favorite movie genre, how
many voted for the genres below?
How many people voted
for Comedy?

How many people voted
for Horror?

How many people voted
for Action?

Multiple Choice

What fraction of students chose bubble gum?

• 6/12

• 2/12

• 1/12

• 3/12

Multiple Choice

Which vegetable takes up 1/4 of the circle graph?

• Carrots

• Zucchini

• Squash

• Tomatoes