Data Analysis

A student conducted a survey of 36 peers to determine their favorite sport. Approximately what percentage of students chose football or basketball?

• 22%

• 33%

• 61%

• 70%

If the school has a total population of 500 students, how many would you expect to list soccer as their favorite sport based on this data?

• 5

• 14

• 69

• 87

Hector worked out a monthly budget for his $2500 per month income. What percentage of Hector's income does he spend on housing?

• 4%

• 10%

• 25%

• 40%

If Hector's monthly income increases by $500 and he still wants the same percentage of his income to go to food, how much will he spend on food each month?

• $120

• $650

• $720

• $740

The box-and-whisker plot shows the number of points scored by the Eagles in their regular season games played during the 2018-2019 season. What was their median number of points scored?

• 7

• 20

• 23

• 27

In what percentage of these games did the Eagles score less than 27 points?

• 25%

• 50%

• 75%

• 100%

What is the interquartile range?

• 7 points

• 20 points

• 23 points

• 27 points

The Eagles played 16 regular season games. In how many of these games did they score more than 27 points?

• 4

• 8

• 12

• 16

The stem-and-leaf plot shows the number of points scored by the Eagles in their regular season games played during the 2018-2019 season. Which statement is true?

• There are two modes: 20 and 21

• The range is 34.

• The median is 24.

• Their score was in the 20s for 10 games.

The Eagles played two additional playoff games, in which they scored 16 points and 14 points. If these scores are added to the stem-and-leaf plot, which statement is false?

• The median decreases.

• The mean decreases.

• The range decreases.

• The modes does not change.