Drop-down options are:A) claim or not claim One or two tailed testD) reject or do not rejectE)is or is not (c) Compute the test value. Always round t score value to at least three decimal places.t =Part: 3/5Part 4 of 5(d) Make the decision.00....5Q(Choose one) the null hypothesis.xPart: 4/5Part 5 of 5G(e) Summarize the results.There (Choose one) enough evidence to support the claim that the average computer repair cost is greater than $170.84.Continuehp Computer Repair Costs A recent survey found that the average computer repair cost for a computer is $170.84. A random sample of 16 randomly selectedcomputer costs at a computer repair store had a mean of $174.84 with a standard deviation of $5.18. At a = 0.10, can it be concluded that the averagecomputer repair cost at this store is greater than $170.84? Use the critical value method and tables.EspañolPart: 0/5Part 1 of 5(a) State the hypotheses and identify the claim.Ho:(Choose one)□<□O>OH₁:(Choose one)0=0This hypothesis test is a (Choose one)test.Part: 1/5 OGPart 2 of 5(b) Find the critical value(s). Round the answer to three decimal places, if necessary. If there is more than one critical value, separate them with commas.Critical value(s):Next ParthpSubmit Assignm

Let's perform a hypothesis test using the critical value method to determine if there is enough…

Answered: (c) Compute the test value. Always…

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 hypothesis testing, if we have the alternate hypothesis that the mean is less than 5, this leads to a: Group of answer choices -left tailed test -right tailed test -two tailed test -unknown
p-value: .8980, .5310, .7088, or .9949 conclusion: reject the null or fail to reject the null
20 high school Spanish teachers attended an summer course to improve their listening skills. They took the MLA listening test both before and after the course. Before the course they had a mean of 27.3 with s=8.04. After the course they had a mean of 28.75 with s=2.74. We want to know if the course improves scores. A.) State an appropriate Ho and Ha. B.) Carry out a test. Can you reject at the 5% significance level? at the 1% level?
Determine whether the alternate hypothesis is left-tailed, right-tailed, or twa-tailed.
6. A sports analogy for hypothesis tests In recent years, professional sports have incorporated the use of instant replay in order to dispute questionable calls by the referees. For example, in the National Football League (NFL) a head coach is allowed to challenge the referees’ decision twice per game. In order for the referees to reverse their original decision, the instant replay must exhibit clear evidence to the contrary. Suppose the referees rule that a pass was caught in bounds. The head coach of the opposing team believes the player stepped out of bounds before completely catching the ball, and the coach challenges the referees’ decision. The referees will review all available evidence (video taken from different camera angles) and make a decision. If there is evidence beyond a reasonable doubt that their original call was incorrect, the play will be called an incomplete pass. However, if there is no clear evidence to contradict the original call, the play will remain…
Please Help. Your politician friend wants to do a survey to find out the impact of a tax on wealth held by households in her community. You remember that the survey could be misleading if it interviews only 100 randomly-selected households. Why might this be?
Determine whether the following statement is true or false. p̂1 − p̂2 is considered a statistic. a) True b) False
(c) Calculate the test statistic. d) Decide whether to reject or fail to reject the null hypothesis. Then interpret the decision in the context of the original claim.
Determine whether the given hypothesis are left tailed, right tailed, or two tailed.
A student compared organic food prices at Grocery 1 and Grocery 2. The same items were priced at each store. The first three items are shown in the accompanying Figure A. Choose the correct accompanying output (B or C) for the appropriate test, explaining why you chose that output. Then test the hypothesis that the population means are not equal using a significance level of 0.05. Assume i Figure A and Outputs Click the icon to view Figure A and the outputs. Which is the correct output (B or C) for the appropriate test? Explain. (Figure A) Food Grocery 1 0.89 Grocery 2 0.99 A. Output B is appropriate because the data are paired samples. Bananas/1 Ib Grape tomatoes/1 Ib Russet potato/5 Ib 4.19 4.49 B. Output C is appropriate because there are two samples. 4.69 4.49 C. Output B is appropriate because n2 25. (Figure B) D. Output C is appropriate because the data are independent samples. N Mean StDev SE Mean Test the hypothesis that the population means are not equal using a significance…
d) Write a conclusion based on the results. Choose the correct answer below.Pick one of the bolded words below. Reject/Do not reject the null hypothesis and claim that there is/is not sufficient evidence to conclude that the population mean is greater/less than 23
The sports coaches at West High School believe that 12% of their students play soccer. In a sample of 155 students, it is found that 21 play soccer. What is the test statistic for testing whether the coaches are correct? Show all calculation

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