A university teacher has conducted a survey of achievement of students in chemistry through a self-made test. The distribution of scores has been studied in terms of mean and standard deviation for a sample of 100 students. The results are as follows:Mean = 50 Standard deviation = 10 and N = 100Assuming that the distribution of scores is normal, what will be the Percentile Rank (PR) of a student whose score is 60?

A university teacher has conducted a survey of achievement of students

1.	A university teacher has conducted a survey of achievement of students in chemistry through a self-made test. The distribution of scores has been studied in terms of mean and standard deviation for a sample of 100 students. The results are as follows:Mean = 50 Standard deviation = 10 and N = 100Assuming that the distribution of scores is normal, what will be the Percentile Rank (PR) of a student whose score is 60?
A.	70
B.	75
C.	80
D.	84
Answer» E.

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