Prob Stat Chapter 5 Practice

Using data from a sample to make inferences about a larger population, make predictions and determine relationships

• Descriptive

• Inferential

Classify the statistic: Every 100th hamburger manufactured is checked to determine its fat content

• random

• systematic

• convenience

• stratified

Find the mean of this set of data:

92, 82, 80, 92, 78, 75, 95, 77

• 748

• 374

• 83.8

• 81.8

Find the median of this data set:

29, 28, 34, 33, 26, 30, 34

• 30

• 33

• 30.5

• 31

Find the range of this set of data:

114, 109, 131, 96, 140, 128.

Find the outlier of this set of data:

88, 90 96, 93, 87, 12, 85, 94.

Find the mode of this data set:

29, 28, 34, 33, 26, 30, 34

• 30

• 33

• 34

• 31

How many sophomores like burritos and pizza?

• 6

• 5

• 11

• 50

What is the median of this data set?

• 8

• 12

• 15

• 19

Two coins are tossed, find the probability that two heads are obtained.