AAJoey Unit 3 Test

Jade subtracted the smallest value from the largest value in the data set. What statistic was she calculating?

• standard deviation

• range

• variance

• mean

Kayla took a look at all of her English grades and saw that she received a 90 on majority of her assignments. Therefore, 90 is most like the __________ of her list of grades.

• mode

• range

• variance

• minimum value

The middle value in a data set when the numbers are listed in order is referred to as the ________.

• mean

• median

• mode

• center

Find the median from the list of numbers:

60, 58, 52, 48, 60, 67

• 58

• 59

• 60

• 118

How would you describe the mean?

• difference
• average
• middle
• most repeated number

What is the standard deviation for the data given:

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

• 6.89

• 10.1

• 7.26

• 9

IQR = Q3 - Q1

• True

• False

Q1 is the median (middle) of the lower half of the data values.

• True

• False

How many students read no books (zero) last summer?

• 6

• 1

• 4

• 3

How many people have 4 or more pets?

• 8

• 3

• 6

• 4