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CBSE Class 7 Answered

1.         Are the mean, median and mode of the following data the same? If not which item among this may be deleted so as to make the mean, median and mode the same? 47        40        36        40        42        45        40        32
Asked by Nimmi | 14 Sep, 2018, 10:46: PM
answered-by-expert Expert Answer
47        40        36        40        42        45        40        32
If you find the mean, median and mode of the given data then we get
mean = 40.25, median = mode = 40 and summation of the given data = 322
To get mean also as 40 we should have summation of the data = 40 × 7 = 280
Item should be deleted so as to mean, median and mode will coincide = 322 - 280 = 42
Answered by Sneha shidid | 17 Sep, 2018, 09:26: AM
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