2. An achievement test in Statistics was administered to BS Math sophomorein 3 colleges. Determine the mean.CL(scores College A College B College C42-47348-5354-593460-65166-7110972-7712131478-8311101284-8998.90-955396-10121556060

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Answered: 2. An achievement test in Statistics…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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What is the mean of all the ninth graders scores?
46. Scores The mean scores for a statistics course (by major) are given. What is the mean score for the class? 9 engineering majors: 85 5 math majors: 90 13 business majors: 81
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In Statsville there’s a city-wide speed limit of 30 mph.If you are caught speeding the fine is $100 plus $10 forevery mile per hour you were over the speed limit. Forexample, if you’re ticketed for going 45 mph, your fine is100 + 10145 - 302 = +250. Last month all the driverswho were fined for speeding averaged 42 mph with astandard deviation of 7 mph. What were the mean andstandard deviation of the fines?A) $120 and $70 B) $220 and $7C) $220 and $70 D) $220 and $170E) $420 and $70
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A math professor is wondering if students today are better or worse than in the past. He has given the same final to this year's class that he gave ten years ago. Compute mean, median, and mode for both classes and write a paragraph summarizing the differences. This Year 35 45 65 75 87 80 69 71 53 90 99 95 70 82 73 93 67 61 57 74 72 77 71 81 83 Ten Years Ago 56 77 75 76 59 74 51 89 55 79 67 77 69 91 68 90 65 79 69 79 87 86 98 91 95
In a city with three high schools, all the ninth graders took a Standardized Test, with these results: High School Mean Test Score Number of ninth graders (Frequency) Glenwood 81 284 Central 95 323 Lincoln 69 154 The city's PR manager, who never took statistics, claimed the mean score of all ninth graders in the city was the average of 81, 95, and 69, which is 81.7. Of course, that is incorrect. What is the mean score for all ninth graders in the city? Round to one decimal place. mean of all ninth grader's scores =
What is the mean? 5 11 20 22 23 24 24 24 24 24 27 36

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2. An achievement test in Statistics was administered to BS Math sophomore in 3 colleges. Determine the mean. CL(scores) College A College B College C 42-47 3 48-53 3 54-59 60-65 6 66-71 10 9 72-77 12 13 14 78-83 11 10 12 84-89 9 8 90-95 5 3 96-101 2 55 60 60