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There are four (4) problems in this sixth (6th) Quiz. Problems 1 and 2 are worth 40 points each, for a total of 80 points
There are four (4) problems in this sixth (6th) Quiz. Problems 1 and 2 are worth 40 points each, for a total of 80 points for the two problems. Problems 3 and 4 are worth 10 points each, for a total of 20 points. Quiz total is 100 points. Please use a keyboard or editor where possible. 1. Calculate the Mean, Median and Mode of the following data set for each column. You should have separate mean, median and mode for each column A-G: A 18 13 16 14 14 B 10 9 5 6 6 6 C 28 28 19 20 21 22 D 91 89 81 81 87 83 83 E 112 106 111 107 110 108 109 109 F 255 245 252 252 248 248 248 249 249 G 52 42 51 51 43 43 43 50 49 46 2. University of Maryland has 5 separate colleges located in and around the Washington Beltway. They wish to know the average SAT score of the first year students enrolled at the University. The Mean and Enrollment for each of the colleges are presented below. Find the mean SAT score for the entire sample: College Mean Score Enrollment 1 509.70 225 2 489.33 180 3 516.89 211 4 503.44 162 5 519.76 195 3. Please answer the following multiple choice questions about the table as presented X 5 4 3 2 1 a: b: A B C 6 12 7 13 14 9 11 6 3 7 2 7 2 1 6 Each group has the same numbe i r ii mean media iii n iv mode v skew The distribution of scores for B is i symmetrical norma ii l positively iii skewed negatively iv skewed none of the v above 4. A distribution score yields a mean of 40, median of 38 and mode of 36. a. What would median be if we add 12 points to each score i. 40 ii. 42 iii. 50 iv. 52 b. What is the new mean (adding 12 points to each score)? i. 40 ii. 42 iii. 50 iv. 52
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