Question
Download Solution PDFFind the mean deviation of 3, 4, 5, 7, 10, 10, 10
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven
3, 4, 5, 7, 10, 10, 10
Concept used
Mean = Average
Deviation is the difference with the given number in the series.
Calculation
Mean = \(\frac{{3 + 4 + 5 + 7 + 10 + 10 + 10}}{7}\)
Mean = 49/7
Mean = 7
Checking the mean deviation with all the numbers given in the series.
Mean deviation
⇒ |7 - 3|, |7 - 4|, |7 - 5|, |7 - 7|, |7 - 10|, |7 - 10|, |7 - 10|
⇒ 4, 3, 2, 0, 3, 3, 3
Mean deviation = \(\frac{{3 + 4 + 2 + 3 + 3 + 3}}{7}\)
Mean deviation = 18/7
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