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Mathematics 11 Online
jlivin2322:

Peter’s teacher says he may have his report card percentage based on either the mean or the median and he can drop one test score if he chooses. 84%, 71%, 64%, 90%, 75%, 44%, 98% Which measure of center should Peter choose so he can have the highest percentage possible? Peter should choose the mean after dropping one test score. Peter should choose the mean without dropping one test score. Peter should choose the median after dropping one test score. Peter should choose the median without dropping one test score.

Mercury:

His goal should be to get the highest score, right? as a major hint dropping the lowest test score is guaranteed to have a positive (or at least no effect) on the mean/median, so he should opt to choose to drop a score after dropping the lowest score, simply do the calculations to see whether the mean or the median is higher. mean = add all the scores and divide by the # of scores median = arrange from lowest to highest. since there are 6 scores left, the median is the average of scores 3 and 4.

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