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The following problems are based on Chapter 8_356-399 1. For each of the following a random sample of size n is taken from a normal

The following problems are based on Chapter 8_356-399 1. For each of the following a random sample of size n is taken from a normal distribution with mean and variance sigma^2. The sample mean is x. Test the hypothesis stated, at the level of significance indicated. (5 marks)

) Hypothesis Level of Significance
65 100 842.4 : =.,: . 5%
65 100 842.4 : =.,: >. 5%
80 85.3 2508.8 : =..,: <. 10%
100 6.85 36 : =,: 1%

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