6.13 Show that t: = B,/[s//E=, (x;- %3D VI- r in (6.20). |

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Q: 1 Show that r in (6.16) is the square of the correlation (x - )(Vi – y) %3= as given by (6.18).

A: From the given information, y x y-y¯2 x-x¯2 x-x¯y-y¯ 78 4.4 47.16805 0.875722 6.426981 74…

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Q: 6.11 Show that r in (6.16) is the square of the correlation E (x; - )(y; -y)

A: From the given information, y x Y-Y¯2 X-X¯2 X-X¯Y-Y¯ 78 4.4 47.16805 0.875722 6.426981 74…

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