One Variable Stats

How many students received a score of 94%? 

• 94

• 4

• 1

• 2

How many people watched more than 6 hours of TV?

• 10

• 5

• 20

• 17

The height of the students in Mrs. Abel's class were recorded. Which line plot represents the same data shown in the histogram?

• 
• 
• 
• 

Lacey made a line plot to graph the ages of employees in a lawn service company. Suppose Lacey wants to display this data in a histogram with the bars labeled in the following ages: 20–24, 25–29, 30–34, and 35–39. How tall will the 25–29 bar be?

• 10

• 11

• 12

• 14

What percentage of the data is between 90 and 140?

• 25 %

• 50%

• 75%

• 100%

Calculate the interquartile range of the following data:
17, 18, 18, 19, 20, 21, 21, 23, 25

• 3

• 4

• 5

• 8

What does range mean?

• In the middle

• Add all values up and divide by how many values there are

• Maximum minus minimum

• Most repeated number

• a

• b

• c

• d

Pick the definition of an outlier.

• A value that lies outside of most other values in a data set.

• A value that is the largest.

• A value that is the smallest.

• A value that occurs the most.

Interquartile Range or IQR is a measure of variability and helps determine the spread of the data.

• True

• False