MAT 120 - Final Exam Review

A randomly selected group of individuals were asked how many marbles they believed were contained in a sealed jar. The following frequency distribution summarizes the results. Find the midpoints for each class.

• Midpoints: 105, 116, 127, 138, 149

• Midpoints: 104, 115, 126, 137, 148

• Midpoints: 106, 117, 128, 139, 150

• Midpoints: 103, 114, 125, 136, 147

Tags

CCSS.6.SP.B.5C

A randomly selected group of individuals were asked how many marbles they believed were contained in a sealed jar. The following frequency distribution summarizes the results. Find the relative frequencies for each class.

• Relative Frequencies: 0.25, 0.175, 0.075, 0.3, 0.2

• Relative Frequencies: 0.200, 0.250, 0.150, 0.250, 0.150

• Relative Frequencies: 0.300, 0.180, 0.100, 0.250, 0.170

• Relative Frequencies: 0.210, 0.190, 0.120, 0.310, 0.170

A randomly selected group of individuals were asked how many marbles they believed were contained in a sealed jar. The following frequency distribution summarizes the results. Find the cumulative frequencies for each class.

• Cumulative Frequencies: 10, 17, 20, 32, 40

• Cumulative Frequencies: 10, 15, 25, 30, 40

• Cumulative Frequencies: 8, 16, 24, 32, 40

• Cumulative Frequencies: 12, 18, 22, 34, 40

What is the class width of this frequency distribution?

• 11

• 5

• 8

• 15

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Calculate the population mean for the given frequency distribution.

• 74.24

• 68.45

• 75.12

• 70.67

Tags

CCSS.6.SP.B.5C

Calculate the population standard deviation for the given frequency distribution.

• 9.04

• 7.85

• 10.24

• 8.56

Given the data set: 27, 32, 19, 27, 26, 33, 30, 29 Calculate the Mean =

• 27.9

• 27.5

• 29.0

• 30.3

Tags

CCSS.6.SP.B.5C

Given the data set: 27, 32, 19, 27, 26, 33, 30, 29 Calculate the Median =

• 28.0

• 27.5

• 29.0

• 30.0

Tags

CCSS.6.SP.B.5C

Given the data set: 27, 32, 19, 27, 26, 33, 30, 29 Calculate the Mode =

• 27

• 32

• 19

• 30

Tags

CCSS.6.SP.B.5C

Given the data set: 27, 32, 19, 27, 26, 33, 30, 29 Calculate the Range =

• 14

• 10

• 16

• 12

Tags

CCSS.6.SP.B.5C