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The mean deviation and coefficient of mean deviation of 5 observation are 1.2 and 0.4. If the sum of the first four terms is 10, then the fifth term is...
For the cumulative distribution function
the upper quartile point is
The median of the following observations 10, 11, 9, 12, 10,10, 12, 10, 9,11 is:
For the study purpose, the mean of the observations is 148 gm and standard deviation is 17.4 gm. Approximately, the coefficient of variation equals to:
The problem of statistics is given in two sections of same standard. The odds against for section X to solve the problem are 4:3 and odds in favor to s...
For the discrete distribution, the Pearson's coefficient of skewness β2 is always:
For the recorded observation, the coefficient of variation is 0.2 and the variance is 16. The arithmetic mean is:
The standard error of the given data 15, 5, 12, 10, 20, 4 is
