Mean, Median, Mode Review

What is the best measure to describe the data set : 6, 35, 8, 20, 6, 16, 7?

• mean

• median

• mode

When asked to find the balance point, you are finding the...

• Mean

• Median

• Mode

• Range

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below:

9, 8, 12, 6, and 10

If she reads 15 pages on Saturday, how will that effect the mean?

• the mean will remain the same

• the mean will increase

• the mean will decrease

What will happen to the median if a 8 is added to the data set?

8, 2, 5, 9, 8

• the median will increase

• the median will decrease

• the median will stay the same

When finding the median, what do you do if there are two middle numbers?

• Add them together and divide by 2

• Write them both as the answer

• Give up

• Pick one

The data set below has an outlier of 42.
2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42
What effect does removing the outlier have on the distribution of the data?

• The mean will decrease

• The median will decrease

• The mean will increase

• The median will increase

Your math grades are {0, 80, 90, 90, 90, 100} If the outlier is removed, what will happen?

• The median will increase

• The median will decrease

• The mean will increase

• The mean will decrease

Which measure of center best represents this set of data?
red, blue, red, yellow, red, green, black, red, white, red, red

• Mean

• median

• mode

What is the mode of the data?

• 4, 6, 7

• 4, 6

• 7

• 4

If the team scored 18 points on their next game, how will this effect the mode of the scores?

• no change to the mode

• the mode will increase by 1

• the mode will decrease by 2

• the mode will increase by 5