Question

We divide students as average, below average and above average, who determines this? what are all the scores that falls under these categories?
kindly help me to know.

Answer 1

Explanation:

There are three interrelated approaches to determine normality, and all three should be conducted. Look at a histogram with the normal curve superimposed. A histogram provides useful graphical representation of the data. - To provide a rough example of normality and non-normality, see the following histograms.

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