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Q. A coefficient of correlation is computed to be -0.95 means that

Q. The measure of dispersion which uses only two observations is called:

Q. The value of the correlation coefficient lies between

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

Q. In a symmetrical distribution, Q3 – Q1 = 20, median = 15. Q3 is equal to:

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

Q. A measure of is a single value that attempts to describe a set of data by identifying the central position within that set of

Q. If the growth rate is constant, the trend is –

Q. In the quartiles, the central tendency median to be measured must lie in

Q. The coefficient of determination must be