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Q. The rank correlation coefficient of a debating contest involving 10 participants was calculated as 0.6. However, it was later discovered that the difference in the ranks of some participants was read as 8 instead of 3. Find the correct correlation coefficient:

Q. In regression analysis, the variable that is being predicted is the:

Q. The measures of dispersion can never be:

Q. For a distribution of data, if the arithmetic mean> median>mode, then which of the following is true?

Q. If mean absolute deviation of set of observations is 8.5 then value of quartile deviation is

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

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

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

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

Q. The averages are affected by change of: