Revision-TNNN6-2ND Final

How do you know that this dot plot displays the answers to a statistical question?

• 1. Various data are shown.

• 1. All data values are the same.

• 1. The data are numerical.

• 1. Students were all asked the same question.

James earned the following test scores: 70, 85, 100, 87, 80, 70, 95, 91.

Which measure would you use to show how much he improved? 

• mean

• median

• mode

• range

The histogram shows students’ scores on a science test.

According to the histogram, how many students scored between 69-76?

• 7 students

• 9 students

• 10 students

• 11 students

Liza kept track of the number of miles she traveled each day for 2 weeks. Find the median of these data. (Number of miles: 3, 2.5, 5, 2.5, 8, 10, 4, 0, 6, 6, 2, 2, 6, 9)

• 4.5 miles

• 2 miles

• 3.5 miles

• 5.5 miles

Daniel kept track of the amount of money he earned each day for 2 weeks. Find the IQR (interquartile range) of the amounts in dollars listed below.

25, 30, 24, 20, 20, 22.5, 75, 27, 27, 22, 22, 27, 22.5, 28   

• 24.5

• 4

• 5

• 22.5

Hector recorded the amount of time he spent studying each day for two weeks and represented this data on a dot plot. Determine the range of time Hector spent studying.

• 4 hours

• 3 hours

• 4.5 hours

• 3.5 hours

Paula collected data on the grams of protein in each serving of nutritional shakes from seven different brands. The data points are: 16, 28, 28, 21, 32, 21, 18, and 35. Find the mode of the data.

• 1. 21 and 28

• The data has no mode

• 28

• 21

Students in an academy took a test to enter a competition. They could take the test twice. Some students improved their score, while others didn’t. The table shows the change in score for each student. Which student had the greatest overall change in his or her score?

• Juanita

• Nivea

• Joe

• Li

The coordinate plane shows the location of the houses of some of Kendra’s friends.
Which friend lives at (0.25, -0.75)?

• Jamael

• Miguel

• Cindy

• Rashida

Yuri’s team won 5 out of every 7 games this season. If the team played 28 games this season, how many games did they win?

• 30 games

• 10 games

• 20 games

• 40 games