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Statistics for Business Decision - Assignment

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Added on  2021-05-31

Statistics for Business Decision - Assignment

   Added on 2021-05-31

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Statistics for Business Decision - Assignment_1
Statistics for business 2QUESTION 1Test scoresQuiz 160606060717374758899Quiz 265656565707479797979Quiz 366677071727274749599Quiz 410497080858890939798Table 1a.Mean, mode and median for each quizBelow is an excel output for the measures above;Quiz 1Quiz 2Quiz 3Quiz 4Mean72Mean72Mean76Mean76Median72Median72Median72Median86.5Mode60Mode65Mode72Mode#N/ATable 2b.The measures of center do not agree for all the four quizzes. For measures ofcenter to agree, the mode, median and mean should be equal. It is only in quiz 3where the measures were almost agreeing.c.In quiz 4, the mean the mean was not a good measure of center since it wasgreatly affected by an extreme low value which is 10. The median in this case isthe best measure of center since it is always resistant to extreme values oroutliers. In quiz 3 again, the mean is not a good measure of center, it is affectedby extreme high values which are 95 and 99. The best measure in this case isthe median because it is not affected by extreme values. In quiz 1, the mean isnot a good measure of center; it is affected by extreme high values which are 88and 99. The best measure in this case is the median because it is not affected byextreme values. In quiz 2, the mean is the best measure of center since the datahas got no extreme values. Thus the spread of the scores is not so muchaffected.
Statistics for Business Decision - Assignment_2

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