Question 1191695: 1. An elementary teacher gathered the data in the performance of his 70 students in Mathematics. The performance of the pupils is summarized in the frequency table given below.
Class score f
96 - 100 1
91 - 95 5
86 - 90 10
81 - 85 4
76 - 80 15
71 - 75 14
66 - 70 8
61 - 65 7
56 - 60 2
51 - 55 3
46 - 50 1
a. Compute the Mean, Median, Variance, Standard Deviation and CV. Interpret the value of the CV.
b. Using Excel, construct a histogram/bar graph.
Answer by ikleyn(52781)   (Show Source):
You can put this solution on YOUR website! .
Regarding part (b) of your question, let me tell you that making plots is not a tutors' job.
It is ENTIRELY the students' job.
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