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Q. Which of the following is true, if there is no dispersion in a data set:

Q. In a regression analysis if r2 = 1, then :

Q. The variate values which divide a series into ten equal parts are called:

Q. For a positively skewed distribution, mean is always:

Q. While computing a weighted index, the current period quantities are used in the:

Q. Asimpleindexnumberis anumberthatmeasures arelativechangein ?

Q. According to percentiles, the median to be measured must lie in

Q. Correlation analysis is a ..............................

Q. In a moderately skewed distribution, the value of mode is 120 and that of median is 140. Find the value of arithmetic mean.

Q. If one of the regression coefficient is greater than unity, the other must be: