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Q. The value at the base time period serves as the standard point of comparison

Q. Regression Coefficient of Y on X is:

Q. If the sum of squares of the rank differences of 10 pairs of values is 30, find the correlation coefficient between them.

Q. If the values of mean, median and mode coincide in a unimodal distribution, then the distribution will be:

Q. ___is particularly suitable for the construction of index nos.

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

Q. In a moderately asymmetrical distribution, the mode and mean are 32.1 and 35.4 respectively. Calculate the median.

Q. The first three moments of a distribution about the mean are 1, 4 and 0. The distribution is:

Q. If Q3=20 and Q1=10, the coefficient of quartile deviation is:

Q. Laspeyre's formula does not obey: