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Q. Asimpleindexnumberis anumberthatmeasures arelativechangein ?

Q. Value of b in the trend line Y = a + bX is:

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

Q. The trend line Y=a+bX obtained by the least Squares method is known as the line of

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. Relationship between correlation coefficient and coefficient of determination is that

Q. A period for which index number is determined is called as ------

Q. Regression Coefficient of Y on X is:

Q. The coefficient of correlation between the regression coefficients is:

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