thelauraorellan thelauraorellan

25-05-2018
Mathematics

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If the median of the score distribution on this pop quiz is more than 170, the teacher will drop the next pop quiz. The pop quiz scores followed this distribution: {180, 175, 163, 186, 153, 194, 198, 183, 187, 174, 177, 196, 162, 185, 174, 195, 164, 152, 144, 138, 125, 110}. What is the median of the distribution? 168.86 170.78 183.23 174.50 180.56

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Аноним Аноним

25-05-2018

Arr arrange the 22 scores in ascending order. The median will be the 'middle' 2 scores which is the mean of the 11th and 12th score.

The middle 2 scores are 174 and 175 so the median = 174.50.

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