Data Pretest

What is the median of the following data set?

9, 10.2, 10.4, 11

• 10.3

• 10.2

• 9

• 10.25

Find the mean for the set:

65, 90, 85, 70, 70

• 76

• 66

• 77

• 58

From the histogram, determine the group where the median falls.

• 10-11

• 12-13

• 14-15

• 16-17

The amounts of money that a local library collected for fines during the first eight months of last year are shown in the table. What is the Median?

• $18.00

• $21.50

• $25.75

• $31.00

What number is the outlier of this data set?

32, 44, 37, 53, 98, 52, 37, 50, 37, 44

• 98

• 52

• 53

• There isn't an outlier

The scores on Mrs. Dusek's grade math test are below. What is the range for this set of data?

76, 90, 82, 85, 72, 96, 85, 91, 97, 80

• 24

• 25

• 97

• 72

What percent is equivalent to the 1st quartile?

• 25th

• 50th

• 75th

• 100th

What percentage of the data lies in the box in a box plot graph?

• 25%

• 50%

• 75%

• 100%

Which measure of central tendency would best represent the weight of students shown?

120, 130, 120, 190, 135, 140

• mean

• median

• mode

• range

How many students received a score of 60 or better on an English exam.

• 8

• 14

• 9

• 22