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Q. Which one is not the test of index Number

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Q. Fisher’s ideal index Number satisfies

Q. The number of observations corresponding to a class is known as ………………..of that class.

Q. All methods of index numbers except simple (unweighted) aggregative index satisfies

Q. When the correlation coefficient r = ±1, the two regression lines:

Q. The word statistics was used in…………..

Q. With the help of histogram we can prepare