Below shows the scored of 110 students in an MS 102 achievement test. Find the variance and the standard deviation: score 50-54 55-59 60-64 65-69 70-74 75-79 80-84 85-89 90-94 95-99 frequency 10 3 8 13 17 19 22 13 4 1

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Below shows the scored of 110 students in an MS 102 achievement test. Find the variance and the
standard deviation:
score
50-54
55-59
60-64
65-69
70-74
75-79
80-84
85-89
90-94
95-99
frequency
10
3
8
13
17
19
22
13
4
1
Transcribed Image Text:Below shows the scored of 110 students in an MS 102 achievement test. Find the variance and the standard deviation: score 50-54 55-59 60-64 65-69 70-74 75-79 80-84 85-89 90-94 95-99 frequency 10 3 8 13 17 19 22 13 4 1
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