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Explain normal distribution with suitable diagram. Discuss the characteristics and application of normal curve. 10

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Explain normal distribution with suitable diagram. Discuss the characteristics and application of normal curve.

Answer – Normal distribution, A symmetrical bell-shaped curve. The two tails of the curve never touch the horizontal axis. It is completely symmetrical, there is a perfect balance between the right and left parts...

Use of Range 8

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Use of Range

Answer – The Range is the difference between the largest and smallest data values. Range is easy to calculate compared to other measures of variability and its meaning is direct. The Range is ideal...

Variance 3

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Variance

Answer – The Variance can be defined as the square of standard deviation. The variance of a variable X(symbolised as V) is the sum of squares of the deviations of each X score from...

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