Confidence interval....Please help. The alpha is 0.05 level of significance. In baseball, Leaque A allows a designated hitter (DH) to bat for the pitcher, who is typically a weak hitter. In League B, the pitcher must bat. The common belief is that thisresults in League A teams scoring more runs. In interleague play, when League A teams visit League B teams, the League A pitcher must bat. So, if the DH does result inmore runs, it would be expected that league A teams will score more runs in League A park than when visiting League B parks. To test this claim, a random sample ofruns scored by league A teams with and without their DH is given in the accompanying table. Complete parts a) through d) below.Click the icon to view the data table.Determine the P-value for this test.P-value = .021 (Round to three decimal places as needed.)State the appropriate conclusion. Choose the correct answer below.A. Reject Ho: There is sufficient evidence at the level of significance to conclude that games played with a designated hitter result in more runs.B. Do not reject Ho. There is not sufficient evidence at the level of significance to conclude that games played with a designated hitter result in more runs.O C. Reject Ho- There is not sufficient evidence at the level of significance to conclude that games played with a designated hitter result in more runs.O D. Do not reject Ho. There is sufficient evidence at the level of significance to conclude that games played with a designated hitter result in more runs.d) Construct a 95% confidence interval for the mean difference in the number of runs scored by League A teams in a League A park and the number of runs scored byLeague A teams in a League B park. Interpret the interval.Lower bound:Upper bound:(Round to three decimal places as needed.)(1,1)MoreEnter your answer in the edit fields and then click Check Answer.1 partremainingClear AllFinal Check70o searchEndPgDIIF3PrtScnF8HomeF9F10FSF6F7F4&%248.9.4.E RT YGHK LDB NM1.F. terleaque plav, when Leadue A teams visit Leaque B teams, the Leans willeir DHguerougSample of RunsFull data setLeague A Park (with DH)need6.3.6.8.ct ans3.76.44126.13e levesign:6.9.6.dence4d with6.1414at thea desсe tLeague B Park (without DH)th a c154n diffeaterva16.2ha Le882104341313.7.PrintDoneMorek Check Answer.7 2 4 9m25755

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Description: Confidence interval....Please help. The alpha is 0.05 level of significance. In baseball, Leaque A allows a designated hitter (DH) to bat for the pitcher, who is typically a weak hitter. In League B, the pitcher must bat. The common belief is that th

(1-α)% Confidence interval: it means that we are (1-α)% confident that the obtained interval…

Answered: Confidence interval....Please help. The…

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Confidence interval....Please help. The alpha is 0.05 level of significance.

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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Use the given confidence interval to find the margin of error and the sample mean. (7.14,10.84) The sample mean is The margin of error is ... (Type an integer or a decimal.) (Type an integer or a decimal.)
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Scores on an English test from 30 students in Class One has a mean of 33 and a standard deviation of 7.2. Scores on an English test from 40 students in Class Two has a mean of 39 and a standard deviation of 5.5. Assuming the two classes are independent, construct a 90%confidence interval for difference between the mean scores for Class One and Class Two. Round your answer to 3 decimal places. Base on the confidence interval, what conclusion can you draw? Group of answer choices (-8.530,-3.470) Group 2 is bigger (-8.530,-3.470) Group 1 is bigger (-8.639,-3.361) No conclusion (-8.639,-3.361) Group 2 is bigger (-6.769,-5.231) Group 2 is bigger
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