AAC #8 Stats

What is the interquartile range?

• 2

• 8

• 4

• 6

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number

• They are both the median

• Add the two numbers in the middle & then divide by two.

• None of the above

Which of the following lists all the five numbers needed to make a box plot?

• Smallest, Q1, Q2, Q3, and Q4

• Minimum, Quartile 1, Median, Quartile 3, and Maximum

• Minimum, Maximum, Range, Mean, and Median

• Mean, Median, Mode, Range, and Total

Find the median of these numbers:

2, 5, 4, 3, 7, 5, 5

• 5

• 6

• 4

• 3

What percent of students have a height between 58 inches and 60 inches?

• 75%

• 100%

• 25%

• 50%

How many students were greater than 55 inches tall but less than 70 inches tall?

• 13

• 17

• 16

• 15

The stem and leaf plot shows the average fastball velocity from top professional baseball players. Find the Median?

• 95

• 96.8

• 98

• 97.2

A pizza shop surveyed a random group of customers to determine their favorite pizza topping. Results are shown below. What percent reported pepperoni as their favorite?

• 45%

• 50%

• 43.75%

• 35%

What is the range of the data shown in the stem and leaf plot?

• 40

• 136

• 96

• 56

Nine students were asked how many books they read last summer.

Their answers are listed below.

3, 1, 2, 3, 5, 1, 3, 2

Find the mode and the range for the data.

• Mode is 5, Range is 6

• Mode is 3, Range is 3

• Mode is 2, Range is 9

• Mode is 3, Range is 4