Measures of Center and Spread Review 2020

I have been walking to keep fit. These are the number of miles I have been walking everyday: 5, 4, 3, 5, 4.5, 5.5 and 2.5. What is my mean walking distance?

• 3.5
• 4.75
• 4.21
• 3.71

Tags

CCSS.6.SP.B.5C

The dot plots compare the number of raffle tickets sold by boys and girls during a school fund-raiser. Which plot has an outlier? 

• Girls
• Boys
• Both Plots
• Neither

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.4

CCSS.6.SP.A.1

CCSS.6.SP.B.5

Find the medians.
Science: _________ Math: __________ 

•  science: 4.5 h; math: 3 h
•  science: 3 h; math: 4.5 h
•  science: 5 h; math: 5 h
•  science: 3.5 h; math: 4 h

Tags

CCSS.7.SP.B.4

Compare the centers and spreads. 

•  Math has a higher median (center) and a wider spread.
•  Math has a higher median (center) and a smaller spread.
• Math has a lower median (center) and a smaller spread.
• Math has a lower median (center) and a wider spread.

Tags

CCSS.7.SP.B.4

CCSS.7.SP.B.3

What is the range in gas mileage for cars?

• 2
• 3
• 4
• 6

Tags

CCSS.HSA.CED.A.3

Are these dot plots symmetric?

• Yes
• No

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.4

Which dot plot shows more consistency, LESS variation? a or b?

• a

• b

Tags

CCSS.7.SP.B.4

CCSS.7.SP.B.3

Which restaurant has a greater IQR?

• Lucy's Steakhouse

• Gary's Grill

• They are the same

Tags

CCSS.7.SP.B.4

What is the IQR for Gary's Grill?

• 40

• 35

• 20

• 10

Tags

CCSS.7.SP.B.4

These two box plots show the number of books read by members of two local book clubs. Which Book Club has greater VARIATION in the number of books read?

• They are the same because they both have a median of 10 books read.

• They are the same because they both have a median of 15 books read.

• The IQR for the Book Worms is larger, showing greater variation..

• They are the same because they both have a median of 15 and a range of 30.

Tags

CCSS.7.SP.B.4

CCSS.7.SP.B.3