Asked by Anonymous

Scores on a national exam assume a normal distribution with a population mean of 50 and population standard deviation of 10 points. A sample of 36 exam scores was selected from UCA with a mean score of 58 points. Using a significance level of 0.01, determine whether scores on the exam have actually increased, statistically. What is the null hypothesis?

11 years ago

Answered by PsyDAG

Ho: µ = sample mean

11 years ago

Answered by Anonymous

buhiu

9 years ago

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