The data below shows the number of kilowatt hours of electricity used by the tenants of a small apartment building in a given month. What is a cumulative table that represents the data?

80 85 86 90 96 75 66 70

99 65 70 99 70 73 64 92

72 81 88 91 93 69 77 82

A: Kilowatt Hours Frequency Cumulative Frequency

60-69 7 24

70-79 4 24

80-89 5 24

90-99 6 24

B: Kilowatt Hours Frequency Cumulative Frequency

60-69 4 4

70-79 6 10

80-89 7 17

90-99 7 24

C:Kilowatt Hours Frequency Cumulative Frequency

60-69 4 4

70-79 7 11

80-89 6 17

90-99 7 24

D:Kilowatt Hours Frequency Cumulative Frequency

60-69 7 7

70-79 4 11

80-89 7 18

90-99 6 24

Question

Mathematics

Double Bubble

8 February, 15:53

The data below shows the number of kilowatt hours of electricity used by the tenants of a small apartment building in a given month. What is a cumulative table that represents the data?

80 85 86 90 96 75 66 70

99 65 70 99 70 73 64 92

72 81 88 91 93 69 77 82

A: Kilowatt Hours Frequency Cumulative Frequency

60-69 7 24

70-79 4 24

80-89 5 24

90-99 6 24

B: Kilowatt Hours Frequency Cumulative Frequency

60-69 4 4

70-79 6 10

80-89 7 17

90-99 7 24

C:Kilowatt Hours Frequency Cumulative Frequency

60-69 4 4

70-79 7 11

80-89 6 17

90-99 7 24

D:Kilowatt Hours Frequency Cumulative Frequency

60-69 7 7

70-79 4 11

80-89 7 18

90-99 6 24

+1

Answers (1)

Know the Answer?

Cunningham · Answer 1

Using the table of data which contains the number of kWh used by the tenants in an apartment each month, we can obtain the frequency. The cumulative frequency is simply the previous frequencies added up. Among the choices, the correct answer is C.

Kilowatt Hours Frequency Cumulative Frequency

60-69 4 4

70-79 7 11

80-89 6 17

90-99 7 24