Find the mean of x + 77, x + 7, x + 5, x + 3 and x – 2?
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- Index number is a special type of ———-
- A period for which index number is determined is called as ——
- Index number calculated by Fisher’s formula is ideal because it satisfy:
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- The coefficient of determination must be
- In the regression equation Y = a+bX, the Y is called:
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- is data that is collected by a researcher from first-hand sources
- What are the method of collecting Primary Data
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