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Q. If mean absolute deviation of set of observations is 8.5 then value of quartile deviation is

Q. The sample coefficient of correlation

Q. A coefficient of correlation is computed to be -0.95 means that:

Q. The degree of peaked ness or flatness of a unimodal distribution is called:

Q. The percent of total variation of the dependent variable Y explained by the set of independent variables X is measured by

Q. ………….is a point of reference in comparing various data describing individual behaviour.

Q. If the mean of percentages, rates and ratios is to be calculated then the central tendency measure which must be used in this situation is

Q. The value of a correlation is reported by a researcher to be r = −0.5. Which of the following statements is correct?

Q. Bowley's coefficient of skewness lies between:

Q. Laspeyre's formula does not obey: