Statistics Make Up

The histogram displays the heights of several students at a school.  Based on the graph, how many students are 65 inches or shorter? 

• 11

• 16

• 18

• 21

How many fewer people liked bananas than kiwi?

• Three fewer people liked bananas than kiwi.

• Fifteen fewer people liked bananas than kiwi.

• Ten fewer people liked bananas than kiwi.

• Twenty fewer people liked bananas than kiwi.

Is the following a parameter or a statistic?

The average annual salary for 35 of a company's 1200 accountants is $68,000.

• parameter

• statistic

Before a nationwide election, a polling company is trying to predict who will win. Which choice is the best representation of a statistic they may obtain?

• A selection of voters over age 50.

• All voters.

• The percentage of voters in favor of the candidate.

• 53% of a selection of voters support the candidate.

Choose the statistical question:

• What time did you wake up this morning?

• What time do 12th graders wake up each morning during the school week?

Which subject received the most votes?

• science

• reading

• social studies

• math

Between which two years did the bear population remain constant or the same?

• 2004 and 2005

• 2001 and 2002

• 2005 and 2006

• 2000 and 2001

Which choice best represents the parameter of interest?

• 700 of the 845 students prefer math.

• 100 of the 120 students surveyed prefer math.

• 845 students

• 120 students surveyed

Which statement best describes the difference between data set 1 and data set 2 shown below?

• The median values are very similar, but the values in data set 2 are much more spread out since the interquartile range is larger. 

• The median values are very similar, but the values in data set 1 are much more spread out since the interquartile range is smaller. 

• The median value for data set 1 is larger, but the interquartile range is smaller, so the values in data set 1 are all larger than those in data set 2. 

• The median value for data set 2 is larger, but the interquartile range is smaller, so the values in data set 2 are all smaller than those in data set 1. 

Jamie has math test scores of 65, 90, 75, and 93. Aaron has math test scores of 98, 88, 82, and 93. How do the mean and median of Jamie’s and Aaron’s test scores compare?

• Aaron has a higher mean, but lower median test score than Jamie.

• Jamie has a higher mean, but lower median test score than Aaron.

• Jamie has a higher mean and median test score than Aaron.
  

• Aaron has a higher mean and median test score than Jamie.