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Q. When the price of a divided by the price of the preceding year, we, get:

Q. In Price Index Numbers prices can either be ?

Q. Find the mean of 13,18,13,14,13,16,14,21,13

Q. play a very important part in the construction of index nos

Q. If the maximum value in a series is 25 and its range is 15, the maximum value of the series is:

Q. The averages are affected by change of:

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

Q. A series of numerical figures which show the relative position is called

Q. If all the scores on examination cluster around the mean, the dispersion is said to be:

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