Stat Unit 1 Quiz 2 Practice

Karen constructed the box-and-whisker plot below to show information about her first semester scores.

What was Karen's median test score?

• 70

• 85

• 90

• 95

Which 5 number summary matches the box plot?

• 
• 
• 
• 

What is the IQR of the box plot?

The box plot shows the distribution of scores on a math test. Which score was greater than or equal to 75% of all scores?

• 100

• 90

• 65

• 70

What is the interquartile range of these scores?

• 50

• 70

• 40

• 30

What amount of cupcakes makes up the middle 50% of the data?

• 16-22 cupcakes

• 12-32 cupcakes

• 22-28 cupcakes

• 16-28 cupcakes

The numbers of games won by 12 teams in the national league is below:

11, 5, 6, 6, 9, 10, 19, 14, 11, 9, 9, and 6

Are there any outliers?

• Yes, 5 is an outlier

• Yes, 19 is an outlier

• Yes, 5 and 19 are outliers

• No

Which has a greater IQR? (Interquartile Range)

• 6th graders

• 4th graders

Karen constructed the box-and-whisker plot below to show information about her first semester scores.

If Karen had 12 tests over the semester, how many of them would be above 70?

• 25%

• 50%

• 75%

• 100%

Karen constructed the box-and-whisker plot below to show information about her first semester scores.

If Karen had 12 tests over the semester, how many of them would be between 70 and 90?

• 25%

• 50%

• 75%

• 100%