Math Statistics

There was a survey that was conducted to see how many people like to play board games. The total amount of people who completed the survey is unknown. The statistics from the survey show 5 in every 13 people agree. How many people could be estimated to complete this survey if the total amount that chose board games was 70 people?

• 5 people

• 100 people

• 182 people

• 10 people

Find the mean:

90, 100, 95, 85, 60, 80

• 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

According to a random telephone survey of 100 adults, 85% of all working adults in the U.S. are satisfied with their current job. What is the population in this survey?

• 100 adults

• adults in the U.S.

• 85% of adults

Zoe completes a report by asking 70 students across campus. She found that 48% of students at her school do not wash their hands after using the bathroom. What is the sample of her survey?

• the bathroom

• students at her school

• 70 students

Billy wants to determine the favorite candy among all 7th graders. So he asks all the girls in his Math class. This is an example of a...

• biased sample

• random sample

A survey was conducted to see how many people like to play board games. The statistics from the survey show 5 in every 15 people do like to play board games. If 150 people were surveyed, how many do you predict would say they like to play board games?

• 5

• 10

• 50

• 150

A random survey of seventh- and eighth-grade students was conducted to find how many hours they spent reading per week. Of the two sets of data, which has the greater median?

• 7th grade

• 8th grade

Tags

7.SP.3