Insect fragments (larvae, eggs, body parts, and so on) per 10 grams. A simple random sample of 60 ten-gram portions of the food item is obtained and results in a sample mean of x 5.3 insect fragments per ten-gram portion. Complete parts (a) through (c) below. (a) Why is the sampling distribution of x approximately normal? A. The sampling distribution of x is approximately normal because the sample size is large enough. OB. The sampling distribution of x is assumed to be approximately normal. OC. The sampling distribution of x is approximately normal because the population is normally distributed and the sample size is large enough. O D. The sampling distribution of x is approximately normal because the population is normally distributed. (b) What is the mean and standard deviation of the sampling distribution of assuming u5 and a 5? (Round to three decimal places as needed.)
Insect fragments (larvae, eggs, body parts, and so on) per 10 grams. A simple random sample of 60 ten-gram portions of the food item is obtained and results in a sample mean of x 5.3 insect fragments per ten-gram portion. Complete parts (a) through (c) below. (a) Why is the sampling distribution of x approximately normal? A. The sampling distribution of x is approximately normal because the sample size is large enough. OB. The sampling distribution of x is assumed to be approximately normal. OC. The sampling distribution of x is approximately normal because the population is normally distributed and the sample size is large enough. O D. The sampling distribution of x is approximately normal because the population is normally distributed. (b) What is the mean and standard deviation of the sampling distribution of assuming u5 and a 5? (Round to three decimal places as needed.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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