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Mathematics, 07.05.2021 22:40 taylor3932
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Mathematics, 21.06.2019 22:30
1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x
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Mathematics, 22.06.2019 04:00
Betty correctly answers 30 questions on your math test there are 40 questions on the test what percent of the questions did she answered incorrectly
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Mathematics, 22.06.2019 04:10
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:
Answers: 2
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