Statistics - Retake

What is the Q2/ median of this box plot?

• 50

• 55

• 60

• 65

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What is the mean of Amy's test scores?

88, 90, 92, 70, 86

• 85.2

• 92

• 88

• 90.4

Tags

CCSS.6.SP.B.5C

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

Here is the height of 20 flowers in the school garden in centimeters:

5, 5, 10, 10, 15, 25, 25, 25, 25, 30, 30, 35, 45, 45, 50, 55, 65, 70, 105, 110

Which Histogram accurately displays this data?

• 
• 
• 
• 

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Find the Z-score.

Mean = 22

Standard Deviation: 3.1

x = 29

• 2.26

• 16.45

• -2.26

• 1.26

Find the value of x.

Z-score = -2.2

mean = 25

Standard Deviation: 7

• 9.6

• -36

• 5.2

• 23.46

What is the standard deviation for the data given:

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

• 6.89

• 10.1

• 7.26

• 9

Find the median age

• 7

• 6.5

• 6

• 7.5

Tags

CCSS.6.SP.B.5C

Danny took 3 tests and made a 78, 65, and 64. If he wants an average of 70, how much must he make on the 4th test?

• 69

• 73

• 75

• 81

Tags

CCSS.7.EE.B.3

Would you expect the mean to be above or below the median.

• above - skewed right

• above - skewed left

• below - skewed right

• below - skewed left

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2