How Much Fat Do US Adults Consume? Using the dataset NutritionStudy, we calculate that the average number of grams of fat consumed in a day for the sample of n = 315 US adults in the study is I =...

Extracted text: How Much Fat Do US Adults Consume? Using the dataset NutritionStudy, we calculate that the average number of grams of fat consumed in a day for the sample of n = 315 US adults in the study is I = 77.03 grams with s = 33.83 grams. Click here for the dataset associated with this question. (a) Find a 90% confidence interval for the average number of fat grams consumed per day by US adults. Round your answers to two decimal places. The 90% confidence interval is i to i (b) What is the margin of error? Round your answer to two decimal places. margin of error =


Extracted text: (c) If we want a margin of error of only +1.0, what sample size is needed? Round your answer up to the nearest integer. sample size =