Unit 7 REVIEW

Ellen is conducting a survey for a school project. She wants to know the most popular fruit among middle school students at her school.

Which is an example of a statistical question Ellen could ask for her survey?

• What is the best fruit to bring for lunch?

• How many servings of fruit do you eat each day?

• What store has the best unit price per pound of bananas?

• What is the fruit most often served in the cafeteria?

Which of these is a statistical question?

• What is the date today?

• Did you finish today's homework?

• How many students in my class went on the field trip?

• How many hours a day do the students in my class study?

Consider the dot plot shown. Which word best describes the data?

• bivariate

• skewed left

• skewed right

• symmetric

Compare the spread of each dot plot.

• The scores from 1^st period have a greater spread than the scores from 2^nd period.

• The scores from 1^st period are more centered than the scores from 2^nd period.

• The scores from 2^nd period are less spread out than the scores from 1^st period

• The scores from 2^nd period are more centered than the scores from 1^st period.

What is the mode?

• 85

• 86

• 87

• 88

What is the median?

• $3.10

• $3.11

• $3.12

• $3.13

What is the mean (average)?

• 4

• 4.5

• 5

• 5.5

Which team has the greatest variation (range) in attendance?

• Bears

• Devils

• Panthers

• Wildcats

Which frequency table provided the data for the histogram?

• 
• 
• 
• 

What statement can be made about the center of the box plot?

• The mean salary of professors at the university is $100,000.

• The mean salary of professors at the university is $75,000.

• The median salary of professors at the university is $100,000.

• The median salary of professors at the university is $50,000.