The relative cumulative frequency of students who earned a score of 20 or lower on the quiz is __________ .

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Netta00 Netta00 · Answer 1 · 2021-06-04T09:28:31+02:00

Answer:

The relative cumulative frequency of students who earned a score of 20 or lower on the quiz is 76%

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Solution

The frequency distribution is as follows

Interval Frequency Cumulative Frequency Relative Cumulative Frequency

1 to 5 8 8 0.16

6 to 11 8 16 0.32

11 to 15 13 29 0.58

16 to 20 9 38 0.76

21 to 25 3 41 0.82

26 to 30 4 45 0.9

31 to 35 3 48 0.96

36 to 40 2 50 1

The relative cumulative frequency of students who earned a score of 20 or lower on the quiz is 76%

Cetacea Cetacea · Answer 2 · 2021-12-28T13:04:55+01:00

The relative cumulative frequency of students who earned a score of 20 or lower on the quiz is 0.68.

From the given figure (image 1)

The cumulative frequency of students who earned a score of 20 or lower on the quiz is = 4+8+15+7=34.

Total frequency is = 4+8+15+7+7+3+4+2=50.

So the relative cumulative frequency is = 34/50 = 0.68 = 68%

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