1
Question
The following frequency distribution gives the monthly consumption of electricity of 68 consumers of a locality.
Find the median of the data.
Monthly consumption (in units)Numbers of customers65−85485−1055105−12513125−14520145−16514165−1858185−2054
The following frequency distribution gives the monthly consumption of electricity of 68 consumers of a locality.
Find the median of the data.
Monthly consumption (in units)Numbers of customers65−85485−1055105−12513125−14520145−16514165−1858185−2054
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Solution
The correct option is C 137
Class intervalFrequencyC.F65−854485−10559105−1251322125−1452042145−1651456165−185864185−205468
Here, n = 68 and hence n2=34
So, median class is 125-145
When we See the 34th Observation and join it to the ogive from both x and y axis,
The Median which we See from graph is 137.
137
Class intervalFrequencyC.F65−854485−10559105−1251322125−1452042145−1651456165−185864185−205468
Here, n = 68 and hence n2=34
So, median class is 125-145
When we See the 34th Observation and join it to the ogive from both x and y axis,
The Median which we See from graph is 137.
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