Statistics Review

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.7.EE.B.3

The mean is found by ___________________ all of the numbers and then _____________________ by the number of items.

• adding, subtracting

• adding, multiplying

• dividing, adding

• adding, dividing

Tags

CCSS.6.SP.B.5C

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10

• 13
• 12
• 11
• 10

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?

• 193
• 127
• 60
• 66

Tags

CCSS.7.NS.A.1C

What’s the mode?

• 1
• 2
• 7
• 9

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What is the median of this data set?
20 , 1 , 7 , 19 , 11 , 19

• 11
• 15
• 19
• 20

Tags

CCSS.6.SP.B.5C

When finding the median, what do you do if there are two middle numbers?

• Add them together and divide by 2
• Write them both as the answer
• Give up
• Pick one

Tags

CCSS.6.SP.B.5C

What value is the lower quartile (Q1)?

• 66
• 58
• 60
• 64

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What data value is the upper quartile (Q3)?

• 64
• 62
• 66
• 58

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What is the interquartile range (IQR)?

• 4
• 64
• 60
• 8

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1