Mean, Median, Mode and Outliers

Gabriella’s quiz grades are shown below.
88, 92, 92, 96, 98
Gabriella scored a 20 on her sixth quiz. What effect does this score have?

• The low score causes the median to increase.

• The low score causes the median to decrease.

• The low score causes the mean to increase.

• The low score causes the mean to decrease.

Find the Mode of the following numbers.

23, 3, 2, 23, 5, 2, 23, 6, 50

• 2

• 23

• 5

• 50

Another name for the "mean"

• Middle number

• Average

• Number that repeats the most

• Rude

Find the median:
5, 6, 3, 9, 0, 4, 1, 2, 7

• 4

• 4.1

• 5

• 4.5

Find the mean, median, and mode(s) of the data with and without the outlier. Which measure did the outlier affect the most?

(a)  

Select all that apply to this data set.

• The outlier is 0

• The mode is 4

• The median is 4

• The mean is 3

Find the mean, median, and mode(s) of the data with and without the outlier. Which measure did the outlier affect the most?

(a)  

Xavier earned the following test scores in math: 95, 90, 100, 85, 80 Ms. Bradley accidentally entered his next test score as 0. Which of these statements are true? Check all that apply.

• Before the error, the mean and the median were both 90.

• Before the error, the mean was 90 and the median was 100.

• The error added an outlier to the data set.

• After the error, the median remained the same.

• The mean was impacted by the error more than the median.

Consider the dataset: 3, 4, 5, 5, 6, 7, 22. Which number is an outlier?

• 3

• 22

• 5

• 7

Consider the dataset: 8, 9, 10, 10, 11, 12, 50. Which number is an outlier?

• 8

• 10

• 12

• 50