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Name: USE 3 DECIMAL A producer claims that his potato chips weight has a nor
Uploaded: 2024-03-20T07:07:12.000Z
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Description: USE 3 DECIMAL A producer claims that his potato chips weight has a normal distribution at least 150 grams . The manager tries to test day shift production weight is heavier that night shift. Because of the complaints of the customers, quality control

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 22PFA

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USE 3 DECIMAL A producer claims that his potato chips weight has a normal distribution at least 150 grams . The manager tries to test day shift production weight is heavier that night shift. Because of the complaints of the customers, quality control department select randomly 19 bags from the day shift and find the mean as 146 grams and variance 9 grams and randomly selected 21 bags from the night shift and find the mean as 148 grams and variance 8 grams. If manager want to test the claim as night shift mean weight of the product is greater than that of day shift at 196 level of significance. Calculate the test statistics. shift shift).

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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