Question

# A total of 25 patients admitted to a hospital are tested for levels of blood sugar (mg/dl) and the results obtained were as follows:87 71 83 67 8577 69 76 65 8585 54 70 68 8073 78 68 85 7381 78 81 77 75Find mean, median and mode (mg/dl) of the above data.

A
Mean =75.64, Median =77, Mode =85
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B
Mean =75.64, Median =76, Mode =81
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C
Mean =75.64, Median =77, Mode =81
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D
Mean =73.64, Median =76, Mode =85
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Solution

## The correct option is D Mean =75.64, Median =77, Mode =85Arrange them in ascending order,54,65,67,68,68,69,70,71,73,73,75,76,77,77,78,78,80,81,81,83,85,85,85,85,87so total no. =25sum of total no. =1891∴ mean =189125=75.64median =(25+12)th element =13th element =77mode = highest frequency element =85

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