(Answered) Using the dataset nutritionstudy we calculate that the

Statistics

Using the dataset NutritionStudy, we calculate that the average number of grams of fat consumed in a day for the sample of n equals 315 US adults in the study is x Overscript bar EndScripts equals 77.03 grams with s equals 33.83 grams.

(a) Find a 99% confidence interval for the average number of fat grams consumed per day by US adults.

Round your answers to two decimal places.

The 99% confidence interval is to

(b) What is the margin of error?

Round your answer to two decimal places.

margin of error equals

Round your answer up to the nearest integer.

sample size equals

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