Week 3 Question

A ) 1 .96

B ) 4 .07

C ) 2 .33

D ) 12 .00 h ( h

h

- h

h ) h

h

3 h

h

` '` 'gd

gd (R

2 h

h

h ( h

h ) h

h

- h

h

1

2

gd

-

1

2

ya

0 h

h ( h

h ) h

h ( h

h ) h

h

- h

h ) h ( h

h

h

h p

h

h ) h

h ( h

h

2 h

h

- h

h ) h

h

2 h

h ( h

h ( h

h

0 h

h

2 h

h ( h

h

- h

h ) h

h

0 h

h

h

h

h

2 h

h

h

h ( h

h ) h

h

- h

h

gd ( h

h

0 h

h ( h

h

h

- h

h ) h

h

h

- h

h ) h

h ( h

h

0 h

h ( h

h ) h

h

gd

h

- h

h ) h

h

2 h

h ( h

h ) h ) h

h

- h

h ) h

h ( h

h ) h

h

2 h

h ( h

h ) h

h

- h

h

` 'Rgd

gd ) h

h h

h

2 h

h ) h

h h

h

- h

h ( h

h ) h

h

h

2 h

h ( h

h

- h

h ) h

h h

h ) h

h

h

h

4 trucks at the same time . Five trucks were purchased from manufacturer A , four from B and five from manufacturer C . The cost of maintaining each truck was recorded . The company used ANOVA to test if the mean maintenance cost of the trucks from each manufacturer were equal . To apply the F test , how many degrees of freedom are in the denominator A ) 2

B ) 3

C ) 11

D ) 14 BONUS 21 . A preliminary study of hourly wages paid to unskilled employees...