Basic Stats

How many cities have temperatures between 70 degrees and 99 degrees?

• 44

• 34

• 26

• 62

Find the mean of these numbers:
2, 57, 38, 42, 6

• 29

• 38

• 50

• 145

How many students scored more than 80%?

• 10

• 2
  13

• 7

• 15

What is the minimum in this data set?

• 0

• 4

• 9

• 40

How many students got a perfect score on the test?

• 0

• 2

• 6

• 1

A florist records the amount of money he spent on gasoline each week to deliver orders. The list shows the data for 16 weeks.
 32, 38, 40, 44, 44, 46, 49, 53, 55, 58, 62, 65, 68, 70, 72, 81
 He put the data in a stem-and-leaf plot. What number did he leave out of the stem-and-leaf plot?
   

• 32

• 44

• 65

• 84

• 40

• 45

• 60

• 100

Which of the following statements is TRUE?

• The median test score is 80.

• The lower quartile is 65.

• The upper quartile is 90.

• The IQR is 30.

What percent of students have heights between 60 inches and 66 inches?

• 75%

• 50%

• 100%

• 25%

This shows how many baseball cards a group of friends have in their collections. How many friends have baseball card collections with more than 70 cards?

• 7

• 8

• 9

• 4