An engmeer is meresfed $m$ the effect

of culting speed $(A),$ tool geomefry $(B)$

and autting angle $($C$)$ on the life $($in houss$)$

of a machine took. Two levels of each

factor are chosen and two $(2)$ replicate

of a $2^3$ fectorial design are runned.

The result are as follows:

$(1)$ Estimaterthe fector effects. Which effects appear

to be large.

$(11)$ Yee the anclysis of variance to confirim your

Conclusum for part $1.$