Carbohydrates in Fast Foods The number of carbohydrates found in a random sample of fast-food entrees is listed below. Is there sufficient evidence to conclude that the variance differs from 100? Use the 0.01 level of significance. Assume the variables are approximately normally distributed.304144514738406246736163534339(a) State the hypotheses and identify the claim with the correct hypothesis.(b) Find the critical value(s). Round the answers to three decimal places. (c) Compute the test value.(d) Make the decision(e) Summarize the results.

Data given 30, 38, 39, 40, 41, 43, 44, 46, 47, 51, 53, 61, 62, 63, 73 n=15 Note: According to…

Answered: Carbohydrates in Fast Foods The number…

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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Carbohydrates in Fast Foods The number of carbohydrates found in a random sample of fast-food entrees is listed below. Is there sufficient evidence to conclude that the variance differs from 100? Use the 0.01 level of significance. Assume the variables are approximately normally distributed.

30	41	44	51	47
38	40	62	46	73
61	63	53	43	39

(a) State the hypotheses and identify the claim with the correct hypothesis.

(b) Find the critical value(s). Round the answers to three decimal places.

(d) Make the decision

(e) Summarize the results.

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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