Fat Contents (%) 19 12 14 12 16 13 13 14 19 18 Step 1 of 2: Calculate the sample mean and the sample standard deviation of the fat contents. Round your answers to two decimal places, if necessary. Step 2 of 2: Construct a 90% confidence interval for the true mean fat content of all the packages of ground beef. Round the endpoints to two decimal places, if necessary.
Fat Contents (%) 19 12 14 12 16 13 13 14 19 18 Step 1 of 2: Calculate the sample mean and the sample standard deviation of the fat contents. Round your answers to two decimal places, if necessary. Step 2 of 2: Construct a 90% confidence interval for the true mean fat content of all the packages of ground beef. Round the endpoints to two decimal places, if necessary.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 9PT
Related questions
Question
An FDA representative randomly selects 10 packages of ground chuck from a grocery store and measures the fat content (as a percent) of each package. Assume that the fat contents have an approximately normal distribution . The resulting measurements are given below.
Fat Contents (%)
Fat Contents (%)
19 | 12 | 14 | 12 | 16 |
13 | 13 | 14 | 19 | 18 |
Step 1 of 2:
Calculate the sample mean and the sample standard deviation of the fat contents. Round your answers to two decimal places, if necessary.
Step 2 of 2:
Construct a 90% confidence interval for the true mean fat content of all the packages of ground beef. Round the endpoints to two decimal places, if necessary.
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