Score frequency-cumulative frequency-relative frequency

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Reference no: EM13308638

Following is a set of 50 reading comprehension scores for a second grade class:

47 10 31 25 20

2 11 31 25 21

44 14 15 26 21

41 14 16 26 21

7 30 17 27 24

6 30 16 29 24

35 32 15 29 23

38 33 19 28 20

35 34 18 29 21

36 32 16 27 50

(1) Please create an ungrouped frequency distribution with the following columns:

Score Frequency Cumulative Frequency Relative Frequency (Percentage) Cumulative Relative Frequency (Cumulative Percentage)

(2) Next, please group the scores into five-unit intervals (five scores in each interval) and create a grouped frequency distribution as follows:

Score Interval of Width 5 Frequency

Reference no: EM13308638

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