Test scores Frequency 31 – 40 4 41 - 50 51 – 60 5 61 – 70 71- 80 81 - 90 8 11 7

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4. Determine the value of the Pearson skewness coefficient and determine the direction of the slope / skewness

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4. The distribution of statistical test scores from 40 students in the even semester of
2021 is shown in the following table:
Test scores
Frequency
31 – 40
4
41 – 50
3
51 – 60
5
61 – 70
71 - 80
11
81 – 90
7
91 – 100
2
Total
40
Transcribed Image Text:4. The distribution of statistical test scores from 40 students in the even semester of 2021 is shown in the following table: Test scores Frequency 31 – 40 4 41 – 50 3 51 – 60 5 61 – 70 71 - 80 11 81 – 90 7 91 – 100 2 Total 40
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