A nutrition lab tested40hot dogs to see if their mean sodium content was less than the325-mgupper limit set by regulations for "reduced sodium" franks. The mean sodium content for the sample was321.9mg with a standard deviation of18mg. Assume that the assumptions and conditions for the test are met.a) Test the hypothesis that the mean sodium content meets the regulation. what is the test statistic?what is the p value?

Answered: A nutrition lab tested 40 hot dogs to…

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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Question

A nutrition lab tested

hot dogs to see if their mean sodium content was less than the

325-mg

upper limit set by regulations for "reduced sodium" franks. The mean sodium content for the sample was

321.9

mg with a standard deviation of

mg. Assume that the assumptions and conditions for the test are met.

a) Test the hypothesis that the mean sodium content meets the regulation.

what is the test statistic?

what is the p value?

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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