Prior to the virus outbreak in Maine, a pound of flour cost 75 cents. You sample 144 grocery stores and find that the average cost is X-bar = 89cents with a standard deviation s11 cents. You want to see if this is significantly higher than the cost before the outbreak, so you test thefollowing hypotheses: Ho: µ < 75 and Ha: µ > 75. What is the computed test statistic? Calculate the z or t, whichever is appropriate, and give theresult rounded to 2 decimal places. If it's a negative number, put the negative sign before the number with no spaces between it and the number.In this problem, do not convert the cents to decimal format.

Name: Prior to the virus outbreak in Maine, a pound of flour cost 75 cents.
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Description: Prior to the virus outbreak in Maine, a pound of flour cost 75 cents. You sample 144 grocery stores and find that the average cost is X-bar = 89cents with a standard deviation s11 cents. You want to see if this is significantly higher than the cost

The random variable cost follows normal distribution. The sample size is 144. The sample mean is 89.…

Math

Statistics

Prior to the virus outbreak in Maine, a pound of flour cost 75 cents. You sample 144 grocery stores and find that the average cost is X-bar = 89 cents with a standard deviation s = 11 cents. You want to see if this is significantly higher than the cost before the outbreak, so you test the following hypotheses: Ho: µ s 75 and Ha: µ > 75. What is the computed test statistic? Calculate the z or t, whichever is appropriate, and give the result rounded to 2 decimal places. If it's a negative number, put the negative sign before the number with no spaces between it and the number. In this problem, do not convert the cents to decimal format.

Prior to the virus outbreak in Maine, a pound of flour cost 75 cents. You sample 144 grocery stores and find that the average cost is X-bar = 89 cents with a standard deviation s = 11 cents. You want to see if this is significantly higher than the cost before the outbreak, so you test the following hypotheses: Ho: µ s 75 and Ha: µ > 75. What is the computed test statistic? Calculate the z or t, whichever is appropriate, and give the result rounded to 2 decimal places. If it's a negative number, put the negative sign before the number with no spaces between it and the number. In this problem, do not convert the cents to decimal format.

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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