Statistical Measures Mean Median Mode

Find the range of the data set
1.43,1.05,34,56,89,1.1

• 87.9

• 87.57

• 87.95

• 89

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5

• 6

• 9

• 11

How would you describe the mean?

• difference

• average

• middle

• most repeated number

A bowler had the following scores after 5 games:
 196, 205, 197, 280, and 202.
How much does the bowler’s mean score increase if the outlier is considered, compared to if the outlier is not considered?

• 13

• 16

• 19

• 22

Mrs. Jones surveyed the class for the number of letters in their given first name. The data is recorded below.
{5, 8, 6, 5, 4, 9, 8, 7, 6, 3, 8, 7, 5, 6, 7, 8}
What is the interquartile range of the data?

• 2

• 3

• 7

• 8

find the lower quartile of the following set of scores12, 9, 4, 6, 5, 8, 9, 4, 10, 2

• 10

• 4

• 9

• 6

How many modes can you have in a data set?

• Zero

• One

• Two

• All the above

The median of the upper half of a data set. Also called the upper quartile.

• first quartile

• second quartile

• third quartile

• median

sum divided by number of addends

• mean

• median

• mode

• range

most frequently occurring number in a data set

• mean

• median

• mode

• range