Stats

What is the interquartile range (IQR)?

• 4

• 64

• 60

• 8

How many students are between 48 and 51 inches tall?

• 14

• 8

• 2

• 0

How many people watched between 6 and 10 hours of TV last week?

• 31

• 22

• 15

• 35

What is the highest score in the class?

• 88%

• 100%

• 13

• 98%

How many students received a score in the 90s?

• 6

• 2

• 91%

• 17

Find the Mean. 

• 5.8

• 5

• 5.6

• 6

The height of three basketball players is 210 cm, 220 cm and 191 cm.
What is their average height?

• 210

• 207

• 220

• 200

In calculating MAD, after you find the absolute deviations you must _____________.

• Do nothing because you are done.

• Subtract them from the mean.

• Find the mean of the absolute deviations.

The mode is the number ________________________.

• you see most

• you see least

• you don't see

• you see first

How many students received a score of 94%? 

• 94

• 4

• 1

• 2