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Q. A data set may have no mode, one mode, or multiple modes.

Q. The mean of a sample is

Q. Index nos. show changes rather than absolute amounts of change.

Q. If each observation of the data is increased by 5, then what happens to its mean?

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

Q. The sum of all the squared deviations is divided by the total number of observations to calculate

Q. One use of a regression line is

Q. Following are the Relative measures of dispersion except

Q. Find the mode of the Set = {1,3,3,6,9}

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