Section 9.1-9.3 Homework Graded Assignment Back to Assignment Due Sunday 02.25.1

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Section 9.1-9.3 Homework Graded Assignment Back to Assignment Due Sunday 02.25.18 at 11:45 PM Attempts Average: 8 7. A sports analogy for hypothesis tests Aa Aa 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 out of bounds. The head coach of the team that threw the ball believes the player completely caught the ball before stepping out of bounds, 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 a complete pass. However, if there is no clear evidence to contradict the original call, the play will remain ruled as an incomplete pass Notice the similarity between the decision to change a call and the decision to reject the null hypothesis in a hypothesis test. The process involves collecting convincing evidence that the original call or the null hypothesis is not true. The referee only rejects the call if the instant replay exhibits clear evidence to the contrary, just as a researcher only rejects the null hypothesis if the study results provide clear evidence to the contrary. In both cases, not changing the call and not rejecting the null hypothesis doesn't mean that the original call or the null hypothesis was correct; it means that not enough evidence was provided to the contrary To formulate the challenge using instant replay as a hypothesis test, the null hypothesis is that the player and the alternative hypothesis is that the player . The testing procedure then assumes that the player , with a goal of determining whether there is enough evidence to infer that the player A Type I error occurs when you that they actually null hypothesis. In this case, a Type I error corresponds to the referees concluding evidence to support the hypothesis that the player when the player A Type II error occurs when you that they actually null hypothesis. In this case, a Type II error corresponds to the referees concluding evidence to support the hypothesis that the player when the player Flash Player MAC 28,0,0,161 Q3 3.34.1 2004-2016 Aplia. All rights reserved. © 2013 Cengage Learning except as noted. All rights reserved Grade It Now Save & Continue

Explanation / Answer

made shot after time expired,made shot before time expired, made shot after time expired,made shot before time expired

reject,true, have, made shot before time expired, made shot after time expired

fail to reject, false, have, made shot after time expired,made shot before time expired

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