The after information speak to the running occasions of movies delivered by 2 film organizations: Organization Time (minutes) 1102 86 98 109 92 Organization Time (minutes 2- 81 165 97 143 92 87 114 Test the speculation that the normal running season of movies created by organization 2 surpasses the normal running season of movies delivered by organization 1 by 10 minutes, against the uneven elective that the differences is under 10 minutes. Utilize a 0.1 degree of centrality and expect the conveyances of times to be around typical with unequal variances.

The after information speak to the running occasions of movies delivered by 2 film organizations: Organization Time (minutes) 1102 86 98 109 92 Organization Time (minutes 2- 81 165 97 143 92 87 114 Test the speculation that the normal running season of movies created by organization 2 surpasses the normal running season of movies delivered by organization 1 by 10 minutes, against the uneven elective that the differences is under 10 minutes. Utilize a 0.1 degree of centrality and expect the conveyances of times to be around typical with unequal variances.

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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Answer the 2 questions only
Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below.
For c is the null hypothesis rejected?
An instructor for a SAT preparation course claims that the course will improve the test scores of students. The table shows the critical reading scores for 10 students the first two times they took the SAT. Before taking the SAT for the second time, the students took a course to try to improve their critical reading SAT scores. At a = 0.01, is there enough evidence to support the instructor's claim? 1 200 300 2 350 420 3 250 300 4 330 390 5 200 240 6 370 480 7 320 350 8 270 300 9 220 290 10 310 350
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Express the null hypothesis and the alternative hypothesis in symbolic form. Use the correct symbol (μ, p, σ) for the indicated parameter. The manufacturer of a refrigerator system for beer kegs produces refrigerators that are supposed to maintain a true mean temperature, μ, of 48° F, ideal for a certain type of German pilsner. The owner of the brewery does not agree with the refrigerator manufacturer, and claims he can prove that the true mean temperature is incorrect. Group of answer choices H0 : μ ≤ 48°H1 : μ > 48° H0 : μ ≥ 48°H1 : μ < 48° H0 : μ ≠ 48°H1 : μ = 48° H0 : μ = 48°H1 : μ ≠ 48°
S Identify the type I error and the type II error for a hypothesis test of the indicated claim. The percentage of adults who retire at age 65 is less than 62%. Identify the type I error. Choose the correct answer below. OA. Reject the null hypothesis that the percentage of adults who retire at age 65 is less than 62% when it is actually true. OB. Fail to reject the null hypothesis that the percentage of adults who retire at age 65 is greater than or equal to 62% when it is actually false. OC. Fail to reject the null hypothesis that the percentage of adults who retire at age 65 is less than 62% when it is actually false. OD. Reject the null hypothesis that the percentage of adults who retire at age 65 is greater than or equal to 62% when it is actually true. Get more help - 4 Q Search P Pearson 3 right © 2023 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy | Permissions | Contact Us | S Clear all Check ans
A researcher selects a sample and administers a treatment for anxiety to the individuals in the sample. If the sample is used for a hypothesis test, what does the alternative hypothesis (H1) put forth about the treatment? A. The treatment has no effect on anxiety. B. The treatment adds a constant to each anxiety score. C. The treatment multiplies each anxiety score by a constant. D. The treatment has an effect on anxiety.
Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho: p=0.6 versus H,: p>0.6 n= 125; x= 90; a 0.05 Click here to view page 1 of the table. Click here to view page 2 of the table. Calculate the test statistic, zo: Zo !D (Round to two decimal places as needed.) Enter your answer in the answer box and then click Check Answer.
Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. H0: p=0.5 versus H1: p>0.5 n=250; x=145; α=0.1 Click here to view page 1 of the table. LOADING... Click here to view page 2 of the table. LOADING...