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Question 3 (7 points) The following simple random sample of grades has been obtained: 43 68 68 70 71 78 79 80 81 84 86

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Question 3 (7 points) The following simple random sample of grades has been obtained: 43 68 68 70 71 78 79 80 81 84 86 86 89 99 105 c) Assume that in the above sample, the two smallest numbers are replaced by 35. Which characteristics below will NOT change? mean, variance, standard deviation 12 all three quartiles 15 median, 3rd quartile, standard deviation O none

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