A teacher would like to know if the class will be able to absorb the lecture from a guest speaker, so he made them take a pre-quiz before the lecture and a post-quiz after the lecture. The teacher would like to know if there is a significant difference between the pre-quiz scores and the post-quiz scores of the students (note that they are in a specific order):Pre-quiz: 14,12,16,15,10,14,15Post-quiz: 25,25,26,23,21,24,25

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Q: in a math test , 368 students from a scool took a  test , the scores   are 5,10,18,26 and 31 . find…

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Q: A sample of four 35-year-old males is asked about the average number of hours per week that he…

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Q: a. Give the marginal distribution of responses. b. Give the conditional distribution of responses…

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Q: would (in your opinic u use to make your

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Q: provided table, the education information and incomes of 73,736 people are given. The rows are…

A: 4 Probability of a person having income below 50000  = (13106+18490)/73736 =0.4285