The manager of Frenchies is concerned that patrons are not consistently receiving the same amount of French fries with each order. The chef claims that the standard deviation for a 7-ounce order of fries is at most 0.8 ounces. To test the chef's claim, the manager randomly weighs 28 orders of fries with the following results (in ounces): 7.7, 5, 7.3, 8.7, 7.8, 8.3, 8.3, 6.2, 6.1, 7.8, 6.3, 6.9, 4.8, 7.4, 6, 7.2, 6.5, 7, 7.9, 8.7, 7.9, 7.1, 5.7, 7.1, 8.4, 6.8, 6.3, 6.3 Perform a hypothesis test using a 2% level of significance to test the chef's claim. Step 1: State the null and alternative hypotheses. Ho:0 ?v Ha:o ?v (So we will be performing a[Select an answer test.)

The manager of Frenchies is concerned that patrons are not consistently receiving the same amount of French fries with each order. The chef claims that the standard deviation for a 7-ounce order of fries is at most 0.8 ounces. To test the chef's claim, the manager randomly weighs 28 orders of fries with the following results (in ounces): 7.7, 5, 7.3, 8.7, 7.8, 8.3, 8.3, 6.2, 6.1, 7.8, 6.3, 6.9, 4.8, 7.4, 6, 7.2, 6.5, 7, 7.9, 8.7, 7.9, 7.1, 5.7, 7.1, 8.4, 6.8, 6.3, 6.3 Perform a hypothesis test using a 2% level of significance to test the chef's claim. Step 1: State the null and alternative hypotheses. Ho:0 ?v Ha:o ?v (So we will be performing a[Select an answer test.)

Name: The manager of Frenchies is concerned that patrons are not consistent
Uploaded: 2024-03-20T07:07:12.000Z
Channel: Bartleby
Description: The manager of Frenchies is concerned that patrons are not consistently receiving the same amountof French fries with each order. The chef claims that the standard deviation for a 7-ounce order offries is at most 0.8 ounces. To test the chef's claim

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A developmental psychologist is interested in studying how long babies gaze at a photograph of a human face. To test this question, she shows a picture to a sample of six babies and records the length of their gaze in seconds. The data are as follows: 12, 17, 18, 20, 20, 29. Calculate the mean, median, mode, range, variance and standard deviation for the sample.
Bill Alther is a zoologist who studies Anna's hummingbird (Calypte anna). (Reference: Hummingbirds, K. Long, W. Alther.) Suppose that in a remote part of the Grand Canyon, a random sample of six of these birds was caught, weighed, and released. The weights (in grams) were as follows. 3.7 2.9 3.8 4.2 4.8 3.1 The sample mean is = 3.75 grams. Let x be a random variable representing weights of hummingbirds in this part of the Grand Canyon. We assume that x has a normal distribution and σ = 0.64 gram. Suppose it is known that for the population of all Anna's hummingbirds, the mean weight is μ = 4.30 grams. Do the data indicate that the mean weight of these birds in this part of the Grand Canyon is less than 4.30 grams? Use ? = 0.10. (a) What is the level of significance? (Enter a number.) State the null and alternate hypotheses. Will you use a left-tailed, right-tailed, or two-tailed test? H0: μ = 4.3 g; H1: μ > 4.3 g; right-tailed H0: μ < 4.3 g; H1: μ = 4.3 g; left-tailed…
Random samples of students at 107 four-year colleges were interviewed several times since 1998. Of the students who reported drinking alcohol, the percentage who reported bingeing at least three times within the past two weeks was 41.1% of 336 students in 1998 and 21.6% of 843 students in 2004. a. Estimate the difference between the proportions in 2004 and 1998, and interpret. b. Find the standard error for this difference. Interpret it. c. Define the two relevant population parameters to compare in the context of this exercise. d. Construct and interpret a 90% confidence interval to estimate the true difference. e. State the assumptions for the confidence interval in part d to be valid. ... A. The number of students in the population in 2004 who reported drinking alcohol that binged at least three times within the past two weeks. B. The proportion of the student population in 1998 who reported drinking alcohol that binged at least three times within the past two weeks. C. The number…
Several studies showed that after eating a low-fat cereal for two meals a day, subjects had lost some weight.A cereal companyfinanced this research. Identify what is wrong. Choose the correct answer below. A. Since the research is composed of voluntary response samples, there may be key data points missing. B. The data used in the studies is not reliable because it was not measured by the administrator. C. It is questionable that the sponsor is a cereal company because this sponsor can be greatly affected by the conclusion. D. It is not possible to take accurate measurements.
Find the test statistic for a proportion "p" given the following information. Malloree ordered 15 pair of shoes online during the stay-at-home order, and 2 pairs arrived with mismatched sizes. Looking on line, she found that the retailer claimed that this happened 4% of the time with online orders.
b. What is the median giraffe height? ft. c. What is the Z-score for a giraffe that is 19 foot talL? d. What is the probability that a randomly selected giraffe will be shorter than 18.7 feet tall? e. What is the probability that a randomly selected giraffe will be between 19 and 19.8 feet tall? f. The 85th percentile for the height of giraffes is ft.