The result of a maths test for a group of 12 pupils are: 53,54,56,61,67,67,73,78,81,83,85,90 .Calculate the mean,median ,mode and range for this data.
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Answer:
MEAN
Mean:—
53,54,56,61,67,73,78,81,83,85,90
___________________________
11
Mean=71
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MEDIAN
Medain:— Middle no.
Median=67
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MODE
Mode:— Coming Many Times
Mode=Nothing
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RANGE
Range:— Highest number – Lowest no.
Range= 90–53
Range= 37
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