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The mean of 100 observations is 40. It is found that an obse

Mode of set of 20 observations is 18 and skewness of observa

The average of 18 observations was calculated and it was 124

The mean of 50 observations was 36. It was found later that

If the mean of 5 observations x,x 2,x 4,x 6 and x 8 is 1 the

Sriram was conducting an experiment in which the average of

The ratio of the "standard error of a single observation of

Arithmetic mean is 25 and all sum of observations is 350 the

Consider a set of observations whose mean is 14 and mode of

If difference between costs linked to highest and lowest obs