t lonid 2 & nushed tase & cid 4842809 ¢enwinzves; = ECO 361 Social Statistic
ID: 3043057 • Letter: T
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t lonid 2 & nushed tase & cid 4842809 ¢enwinzves; = ECO 361 Social Statistics Tracey Osborn 2/11/18 5:11 PM Homework: Assignment 3 (Week 4): Chapter 8 (Due 2/11) o Save Score: 0 of 5 pts 7 of 20 (13 complete) HW Score: 65.51%, 47 17 of 72 pts 8.3.1 Question Help Twelve different video games showing violence were observed The duration times of violence were recorded, with the times (seconds) listed below, What requirements must be satisfied to test the claim that the sample is from a population with a mean greater than 90 sec? Are the requirements all satisfied? 82 15 540 51 0 62 203 42 1670 2 56. What requirements must be satisfied? Select all that apply A. Either the population is normally distributed or n > 30 or both B. The sample observations must be a simple random sample C. At least one observation must be above or below 90 sec D. The conditions for a binomial distribution must be satisfied. Incorred stion 8 (0V5) stion 12 (55) tion 16 (0V1) n 20 (11) Click to select your answer(s) and then click Check Answer part remaining r All heck Answer O Type here to search oe )Explanation / Answer
If we graph this data,we see that the data is right skewed,Hence we cant assume that it is normally distribution
So,the n should be greater than 30 and the it should be a simple random sample
Hence answer is choice A and B
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