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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. | |