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Q. If there is a very strong correlation between two variables then the correlation coefficient must be:

Q. Find the Mode of 5, 3, 27, 5, 9, 3, 8, 5:

Q. The coefficient of variation cannot be meaningfully used to compare the variability of two or more sets of data, when

Q. Index no. for the base period is always taken as

Q. Let the coefficient of determination computed to be 0.39 in a problem involving one independent variable and one dependent variable. This result means that:

Q. The regression coefficients re independent of change of origin but:

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

Q. The makes index nos. time-reversible

Q. The median of the data 13, 15, 16, 17, 19, 20 is:

Q. The general purchasing power of the currency of a country is determined by: