Discovering Statistics

A den for Learning


CSIR NET 2019 Solutions

Suppose a normal QQ-plot is drawn using a reasonably large sample x1,x2,…xn from an unknown probability distribution. For which of the following distribution would you expect the QQ-plot to be convex (J-shaped)?

1. Beta(5,1)
2. Exponential(1)

3. Uniform(0,1)
4. Geometric(1/2)

The following facts would help to guess the answer:

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