Page 6 - F2 - MA Integrated Workbook STUDENT 2018-19

FORMULAE AND TABLES

Regression analysis

y = a + bx

Σy bΣx
a = –
n n

nΣxy – ΣxΣy
b =
2
nΣx – Σx 2

nΣxy – ΣxΣy
r=
2
2
2
2
(nΣx – Σx )(nΣy – Σy )

Economic order quantity

2C oD
=
C h

Economic batch quantity

2C oD
= D
C h(1 – )
R

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