6th grade Math Unit 6 Review

Which of the following is a statistical question?

• How old is the school's principal?
• How tall is each student in your class?
• How many students are in the school band?
• What is my favorite number?

Jeanne's math test scores were 80, 95, 90, 80, and 100.  What is her mean score?

• 80
• 89
• 90
• 91

What is the interquartile range for the data on the box plot?  

• 15
• 30
• 40
• 55

The histogram shows the number of points that the Cougars basketball team scored in each game this season.  In how many games did they score from 50 to 79 points?

• 10
• 16
• 18
• 20

The histogram shows the number of points that the Cougars basketball team scored in each game this season.  They won every time they scored at least 60 points.  How many games did the Cougars win?

• 2
• 3
• 4
• 10

The dot plot shows how many hours each student in a class worked on a research project.  How many students spent more than 6 hours working on the project?

• 1
• 3
• 5
• 10

The dot plot shows how many hours each student in a class worked on a research project.  Which statement is NOT true?

• The data clusters around 5 and 6 hours.
• The mode is 5 hours.
• Twenty classmates worked on the class project.
• There is a gap in the data.

The following data set shows the number of minutes it took students to complete an obstacle course:  9, 7, 10, 11, 13, 12, 8, 10, 12, 11, 10, 9.  What is the mode of the data set?

• 9, 11, and 12
• 10
• 11
• no mode

The following data set shows the number of minutes it took students to complete an obstacle course:  9, 7, 10, 11, 13, 12, 8, 10, 12, 11, 10, 9.  How many students completed the course in less than 10 minutes?

• 2
• 3
• 4
• 1

The heights of the players on a basketball team, in inches, are shown below:  79, 73, 74, 81, 77, 75, 71.  Give the five number summary for the data set.

• Min - 71, Q1 - 73, Med - 75, Q3 - 79, Max - 81
• Min - 71, Q1 - 74, Med - 77, Q3 - 79, Max - 81