Q12 of 141 Page 8

The relationship between mean, median and mode for a moderately skewed distribution is

We know that empirical relation between mean, median and mode is


Mode = 3 Median - 2 Mean

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10

One of the methods of determining mode is

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If the mean of the following distribution is 2.6, then the value of y is



















Variable (x):



1



2



3



4



5



Frequency:



4



5



y



1



2


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The mean of a discrete frequency distribution xi/fi; i = 1, 2, ..., n is given by

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If the arithmetic mean of x, x + 3, x + 6, x + 9, and x + 12 is 10, the x =