Question: USING Sample size n=100 sample mean = 47 Sample standard deviation =15 Confidence level = 0.95 significance level = 0.05 1. Take a random sample

USING Sample size n=100 sample mean = 47 Sample standard deviation =15 Confidence level = 0.95 significance level = 0.05 1. Take a random sample of 100. 2. Calculate the 95% confidence interval for the variable. 3. Calculate a 90% confidence interval. 4. Take another random sample of 400. 5. Calculate the 95% confidence interval for the variable. 6. Calculate a 90% confidence interval 7. GENRERATE A SPSS GRAPHIC

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