A fast-food chain claims one small order of its tater tots weighs 90 grams. Ava thinks she is getting less than what the restaurant advertises. She weighs the next 14 random orders of tater tots before she eats themand finds the sample mean is 89.3 grams and the standard deviation is 3.71 grams. What conclusion can be drawn at a = 0.05?There is not sufficient evidence to prove the fast-food chain advertisement is true.O There is sufficient evidence to prove the fast-food chain advertisement is false.Ava does not have sufficient evidence to reject the fast-food chain's claim.O Ava has sufficient evidence to reject the fast-food chain's claim.O There is not sufficient data to reach any conclusion.

Let be the population mean tater tots weigh.Given that,Population mean Sample size Sample mean…

Answered: and finds the sample mean is 89.3 grams…

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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In a data set of 190 ratings, there was a mean rating of 6.82 with a standard deviation of 2.06. Use a 5% significance level to test the claim that the population mean of statute ratings is less than seven. what is the Null and alternative hypothesis, the test statistic, the P value, and the conclusion and interpretation
2. A fast-food franchiser is considering building a restaurant at a certain location. According to a financial analysis, a site is acceptable only if the number of pedestrians passing the location averages more than 100 per hour. A random sample of 50 hours produced a mean of 110 and a standard deviation of 12 pedestrians per hour. Do these data provide sufficient evidence to establish that the site is acceptable? Use a=0.05.
2
An educational researcher claims that the average GPA of graduate students at FIU is less than 3.5 . To test his claim he collected data on 81 graduate students . The sample mean GPA was 3.25 with a standard deviation of 0.3 . What is the conclusion ? Group of answer choices A. Reject the null hypothesis B. Type I error C. Fail to reject the null hypothesis D. Reject the alternative hypothesis
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