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Statistics

1. Decide whether each of the following statements is true or false. If a statement is false, explain why. Neither of the parameters of a normal distribution can be negative.

2. All bell-shaped distributions are normal distributions.

3. In a normal distribution, if µ has a large numerical value, then s² will also tend to be large.

4. In a normal distribution, about 95% of the values lie within 22 to +2.

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