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If average of 20 observations x1 , x2 , ....., x20 is y, then the average of x1 – 101, x2 – 101, x3 – 101, ....., x20 –101 is
5Q:
If average of 20 observations x1 , x2 , ....., x20 is y, then the average of x1 – 101, x2 – 101, x3 – 101, ....., x20 –101 is
- 120yfalse
- 2101yfalse
- 3y – 20false
- 4y – 101true
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