Formulas Essay

605 WordsMay 12, 20133 Pages
Formulae Appendix 1 |Arithmetic Mean |[pic], [pic] |[pic] [pic] | |Median |[pic] | | |Mode |[pic] | | |Standard Deviation |[pic] [pic] |[pic][pic] | | | | | |Coefficient of Variation |C.V. = [pic] |C.V. = [pic] | | | | | |Coefficient of Correlation |[pic] | | | |[pic] | | |Equation of Regression line |[pic] |a = [pic] | | |[pic] | | |Equation of Trend line |[pic] |[pic] |

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