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Mathematics, 13.10.2020 08:01 acsmelis
Kim is playing an online trivia game. She has 25 points and earns 1 each correct answer. She will advance to the next round if her score is over 34 points.
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You are in charge of the customer service phone line with many employees. at the end of each phone callthe customers are asked to rate their service from 1 to 5 stars, with 5 being the best. you find the averagerating for 20 randomly selected employees and decide you want to improve the ratings so you require thoseemployees to go through a new training program. you then wait a week and find the new average rating foreach employee. the average change is an increase in 1.3 stars with a standard devation of .9 stars.(a) is this data paired or not paired? (b) what are the null and alternative hypothesis being tested? (c) what is the t-statistic you would use? write the general formula and the final calculation.(d) sketch a t-distribution, label your t-statistic and the probability you would be interested in:
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Kim is playing an online trivia game. She has 25 points and earns 1 each correct answer. She will ad...
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