Unit 8 Statistics Review

1.  Carlos wants to know the favorite sport of people at his school so he asks his baseball team.

• Biased
• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

7. A public library asked every 10th person who entered to name the type of book they were getting

• Biased
• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

• thirty students who are often tardy
• thirty students who are rarely tardy
• thirty of her friends
• thirty randomly selected students from her school

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

What is the range in gas mileage for cars?

• 2
• 3
• 4
• 6

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

CCSS.6.SP.A.1

CCSS.6.SP.B.4

What is the median of this data?

• 65

• 60

• 70

• 80

The measures of central tendency are:

• Mean & Median

• Mean, Median, Mode & Range

• Mean, Median, & Mode

• Mean, Median, Mode, Range, and Interquartile Range

Tags

CCSS.6.SP.A.3

Based on the line plot, how many students ate 5 candy bars?

• 4
• 3
• 8
• 0

Tags

CCSS.3.MD.B.4

CCSS.2.MD.D.9

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5
• 6
• 9
• 11

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Find the range.
5, 15, 10, 20, 15, 10, 15

• 5
• 10
• 15
• 13

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

If you score 76, 85, 97, and 83 on your math tests, what would your median score be? 

• 84
• 90
• 85
• 88

Tags

CCSS.7.EE.B.3