A formal hypothesis test is to be conducted to test the claim that the wait times at the Space Mountain ride in Walt Disney World have a mean equal to 47 minutes. Complete parts (a) through (d).a. What is the null hypothesis, and how is it denoted?Hoμ47 minute(s)(Type an integer or a decimal. Do not round.)b. What is the alternative hypothesis, and how is it denoted?H₁ μ # 47 minute(s)(Type an integer or a decimal. Do not round.)c. What are the possible conclusions that can be made about the null hypothesis? Select all that apply.☐ ☐ ☐ ☐ ☐ ☐A. Accept the null hypothesis.B. Fail to reject the null hypothesis.C. Reject the null hypothesis.D. Accept the alternative hypothesis.E. Fail to reject the alternative hypothesis.F. Reject the alternative hypothesis.

The null hypothesis have to claim the wait time in Space Mountain ride in Walt Disney have a mean…

Answered: A formal hypothesis test is to be…

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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K A company is developing a new high performance wax for cross country ski racing. In order to justify the price marketing wants, the wax needs to be very fast. Specifically, the mean time to finish their standard test course should be less than 55 seconds for a former Olympic champion. To test it, the champion will ski the course 8 times. The champion's times (selected at random) are 54.9, 63.7, 48.1, 53.9, 49.3, 47.4, 53.7, and 44.9 seconds to complete the test course. Should they market the wax? Assume the assumptions and conditions for appropriate hypothesis testing are met for the sample. Use 0.05 as the P-value cutoff level. Choose the correct null and alternative hypotheses below. Ο A. Ho:μ = 55 HAH55 Calculate the test statistic. ... t= OB. Ho:μ>55 HA:μ = 55 OD. Ho:μ<55 HAH=55 (Round to three decimal places as needed.) Calculate the P-value. P-value= (Round to four decimal places as needed.) Choose the correct clusion below. A. No, do not market the wax as there is insufficient…
A study of seat belt users and nonusers yielded the randomly selected sample data summarized in the accompanying table. Use a 0.05 significance level to test the claim that the amount of smoking is independent of seat belt use. A plausible theory is that people who smoke are less concerned about their health and safety and are therefore less inclined to wear seat belts. Is this theory supported by the sample data? E Click the icon to view the data table. Determine the test statistic. *= (Round to three decimal places as needed.) Determine the P-value of the test statistic. P-Value (Round to three decimal places as needed.) Use a 0.05 significance level to test the claim that the amount of smoking is independent of seat belt use. A plausible theory is that people who smoke are less concerned about their health and safety and are therefore less inclined to wear seat belts. Is this theory supported by the sample data?
Claim: The mean pulse rate (in beats per minute) of adult males is equal to 68.6 bpm. For a random sample of 158 adult males, the mean pulse rate is 67.1 bpm and the standard deviation is 11.4 bpm. Complete parts (a) and (b) below. a. Express the original cialm in symbolic form. bpm (Type an integer or a decimal. Do not round.) b. Identify the null and alternative hypotheses. Ho: bpm
Children with autism differ significantly from children without autism on tests of varbal ability. repeated measures? or ind. with two tails?
You are a consumer psychologist interested in holidy spending. A national census reports that the American family spent an average of μ = $81 for Halloween candy and costumes last year. A sample of N = 16 families this year produced a mean of $85 with s = 20 A) State your non-directional null and alternative hypothesis
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E: interpret your conclusion in the context of the application. 1. Reject the null hypothesis, there is sufficient evidence that the mean REM sleep time for children is more than for adults. 2. Fail to reject the null hypothesis, there is sufficient evidence that the mean REM sleep time for children is more than for adults 3. Reject the null hypothesis, there is insufficient evidence that the mean REM sleep time for children is more than for adults 4. Fail to reject the null hypothesis, there’s insufficient evidence that the mean REM sleep time for children is more than for adults there is
To test whether the mean time needed to mix a batch of material is the same for machines produced by three manufacturers, the Jacobs Chemical Company obtained the following data on the time (in minutes) needed to mix the material. Compute the values below (to 2 decimals, if necessary). Sum of Squares, Treatment Sum of Squares, Error Mean Squares, Treatment Mean Squares, Error Calculate the value of the test statistic (to 2 decimals). 1 19 25 23 21 Manufacturer a. Use these data to test whether the population mean times for mixing a batch of material differ for the three manufacturers. Use a = 0.05. What conclusion can you draw after carrying out this test? - Select your answer - 2 30 28 33 29 3 21 20 24 23 The p-value is - Select your answer - V What is your conclusion? - Select your answer - b. At the a= 0.05 level of significance, use Fisher's LSD procedure to test for the equality of the means for manufacturers 1 and 3. Calculate Fisher's LSD Value (to 2 decimals).
Please no written by hand solution and no img . Pairs of hypotheses about a claim (a statistic of the population, like its mean, μ) include the following: (A) H0: μ ³ k and Ha: μ < k, where k is some value (B) H0: μ = k and Ha: μ ≠ k, where k is some value (C) H0: μ > k and Ha: μ £ k, where k is some value (D) H0: μ £ k and Ha: μ > k, where k is some value (E) H0: μ < k and Ha: μ ³ k, where k is some value
17)
Stoaches are fictional creatures, sometimes mistaken for mome raths. Suppose a two-tailed ? t -test is conducted to test for a difference between the population means of adult female stoach weights and adult male stoach weights. The female sample has 6 weights, and the male sample has 12 weights. The ? t -statistic for the test is -2.69933. What is the ? p -value? (Give your answer to 4 decimal places.)

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