Basic Statistics

How many more people 19 and under are in the French club than the Spanish club?

• 1

• 3

• 2

• 4

I want to compare parts of data to a whole. What data display should 
I use?

• bar graph

• circle graph

• double bar graph

• line plot

What is the mode in the set of data?
2,2,2,4,4,5,6,6,6,7

• 2

• 6

• 2 and 6

• 2,4, and 6

find the median of
20 30 40 50 60

• 50

• 40

• 1

• 5

Josh surveyed every 5th person who walked into the cafeteria. Is this a systematic random sample

• No

• Yes

Identify the Sample:
A restaurant wants to know if customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.

• 20 customers

• All customers

• 8 customers

• Dessert

Find the mean:

• 85

• 84

• 86

• 90

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below:

9, 8, 12, 6, 10

What is the mean number of pages she wrote per day?

• 5

• 6

• 9

• 11

A public library asked every 10th person who entered to name the type of book they were getting. This is an example of a...

• biased sample

• random sample

According to a random telephone survey, 85 out of 100 of all working adults in the U.S. are satisfied with their current job. If I asked 500 adults, how many do you predict would be satisfied with their current job?

• 85

• 340

• 500

• 425