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Q. Given below the four sets of observations. Which set has the minimum variation?

Q. In regression analysis, the variable that is used to explain the change in the outcome of an experiment, or some natural process, is called:

Q. The sample mean is a

Q. The Correlation coefficient between two variables is the………………..of their regression coefficients.

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. One use of a regression line is

Q. The arithmetic mean is 12 and the number of observations are 20 then the sum of all the values is

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

Q. Given Mean = 70.2 and mode = 70.5. Find the median using empirical relationship among them.

Q. The value at the base time period serves as the standard point of comparison