If each observation of the data is increased by 5, then what happens to its mean?
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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:
- In the regression equation Y = 75.65 + 0.50X, the intercept is
- The coefficient of determination must be
- In the regression equation Y = a+bX, the Y is called:
- How many type of data are there in Statistics
- is data that is collected by a researcher from first-hand sources
- What are the method of collecting Primary Data
- A measure of is a single value that attempts to describe a set of data by identifying the central position within that set of
- Find the mean of 13,18,13,14,13,16,14,21,13
- how many types of series are there
- Find the median of the set = { 11,22,33,55,66,99
