Find the median of the following data 31, 15, 19, 12, 30, 45, 60, 50, 25, 40. If 40 is replaced by 20, what will be the new median?

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Arranging the data in ascending order, we get: 12, 15, 19, 25, 30, 31, 40, 45, 50, 60. As there are 10 values and 10 is an even number, the mean of 5th and 6th value will be the median. So, median=(30+31)/2 = 30.5 If 40 is replaced by 20, we get: 12, 15, 19, 20, 25, 30, 31, 45, 50, 60. So, median will...
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Arranging the data in ascending order, we get: 12, 15, 19, 25, 30, 31, 40, 45, 50, 60. As there are 10 values and 10 is an even number, the mean of 5th and 6th value will be the median. So, median=(30+31)/2 = 30.5 If 40 is replaced by 20, we get: 12, 15, 19, 20, 25, 30, 31, 45, 50, 60. So, median will be (25+30)/2=27.5. read less
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