calculate the mean and median 56,67,54,34,78,43,,23
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MEAN= Sum of all observations
Total no. of observations
= 56+ 67+ 54+ 34+ 78+ 43+ 23
7
= 355
7
= 50.71
MEDIAN :
ASCENDING ORDER = 23, 34, 43, 54, 56, 67, 78
the middle term is the median.
i.e., 4th term
= 54
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