Formula sheet - 6. C.V= (Standard deviation/ Mean) *100 7....

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BBA 2K9 F 1. Mean for grouped data = sum of values divided by number of values 2. Mean for grouped data= Sum of column (Frequency into mid points)/ sum of frequencies 3. Median for grouped data= L + h/f (n/2 - c) 4. Grouped data Mode = L + [(fm-f1) / (fm-f1)+(fm-f2)] x h 5. Ungrouped data variance= , where Mue is the average.
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Unformatted text preview: 6. C.V= (Standard deviation/ Mean) *100 7. Z-test for single population mean: 8. 9. 10. Slope(b) = (N XY - ( X)( Y)) / (N X 2 - ( X) 2 ) Intercept(a) = ( Y - b( X)) / N 11. Or and a= mean of Y (b) ( mean of X)...
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Formula sheet - 6. C.V= (Standard deviation/ Mean) *100 7....

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