Probability and Statistics Formative Assessment 2.4

Find the range of these numbers:
15,2,3,7,8,4,3,2,16,2,4

• 2
• 13
• 14
• 7

Tags

CCSS.4.MD.B.4

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.6.NS.B.3

What is the variance of the data set?

• 72
• 21.4
• 533.67
• 395.7

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

What is the standard deviation for the data given:
{12, 13, 29, 18, 61, 35, 21}

• 293.67
• 15.87
• 17.14
• 41.98

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

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

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Calculate the standard deviation for the following grouped data

• 1.223

• 7.321

• 6.946

• 1.229

Calculate the standard deviation from the following frequency distribution. Hint: Calculate the midpoint of each class first, and use that as L1

• 151.664

• 151.589

• 187.083

• 79.895

All of the below sets have the same mean.
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?

• 1
• 2
• 3
• 4

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5