You are given the sample mean and the sample standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Which interval is wider? If convenient, use technology to construct the confidence intervals.

 

A random sample of 47 eight-ounce servings of different juice drinks has a mean of 91.8 calories and a standard deviation of 43.7 calories.

    • 10 years ago
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