Q. For the grouped data in calculation of moments from mean, the formula to calculate this measure is

View solution

Q. The unifying method to summarize the statistical measure of descriptive nature is called

View solution

Q. If for a distribution the difference of first quartile and median is less than difference of median and third quartile then the distribution is classified as

View solution

Q. In a symmetrical distribution, the third quartile and first quartile of data in distribution must

View solution

Q. The three times of difference between mean and median is divided by standard deviation to calculate coefficient of skewness by method of

View solution

Q. According to beta, the platykurtic distribution is one in which the

View solution

Q. Considering the mean, mode and skewness of data, the value of skewness will be positive if

View solution

Q. In kurtosis, the frequency curve that has flatten top than normal curve of bell shaped distribution is classified as

View solution

Q. Consider a set of observations whose mean is 14 and the mode of the same set of observations is 12 then the values of skewness around central value are

View solution

Q. The formula of calculating moment about means for the origin or zero is

View solution

Q. The method of calculating coefficient of skewness by Karl Pearson method is useful for the type of distributions that are

View solution

Q. The mode of set of 20 observations is 18 and the skewness of observations around central value is 5 then the calculated value of arithmetic mean of observations is

View solution

Q. The measures whose calculated values represents only some proportion of frequency distribution are classified as

View solution

Q. Considering the mean, mode and skewness of data, the value of skewness will be negative if

View solution

Q. In kurtosis, the beta is less than three and median is preferred as central tendency for

View solution

Q. The first quartile of data set is 12, third quartile of data set is 18 and median is 9 then the absolute skewness of the same data set is

View solution

Q. The 90th percentile is 60, 50th percentile is 30 and 10th percentile is 40 then the coefficient of skewness is

View solution

Q. Considering the alpha and beta in moments, the measure of asymmetrical distribution is possible with

View solution

Q. The distribution whose mode is not well defined and the classes of distribution are open ended uses the coefficient of skewness by

View solution

Q. If the median is 18, coefficient of skewness is 6 and the mean is 30 then standard deviation of data is

View solution