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Consider that 10 observations were selected from a normal population whose variance is 64. Observations are: 58, 62, 45, 50, 59, 65, 39, 40, 41 and 52. Check to 5% (.05) level of significance if there is sufficient evidence to conclude that the average population is 45.

Calculate the sample average.

Calculate the standard error.

Formulate the null hypothesis and the investgacion.

Calculate the value of the test statistic (T-Statistics).

Calculate the confidence interval.

Interpreting the results

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9375417

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