Question

The table below gives the rainfall during one week of September 2015 in various districts of Kerala ? Calculate the mean and median rainfall in Kerala during this week.why is mean is less than median ?
{Hint=
Median =( N+1÷2) th Item
Arithmetic mean = sum ÷ mnumber
}

Answer 1

MEAN= Sum÷Number

$= \frac{400}{14}$

$= 50$

MEAN=50

MEDIAN=(N+1÷2)

$= \frac{14 + 1}{2}$

$= \frac{15}{2}$

$= 7.5$

Seventh term+Eight Term/2

$= \frac{53.4 + 56.3}{2}$

$= 54.85$

MEDIAN=54.84

Median is greater than the Mean because it has a long tail to the lower end. This distribution is skewed to the left.

Answer 2

Answer:

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