The following data were collected to see whether the total land area affects the total yields of farmers.

total yields (in cavan)

50

100

130

45

60

80

200

130

168

109

total land area (in hectares)

0.6

1

1.4

0.5

1

1

2.9

1.6

1.7

1.3

a.Compute the correlation coefficient (r) of total yields and total land area.

b.Is there a significant linear correlation between total yields and total land area? Use

c.Fit the linear regression equation that expresses total yields (y) in terms of total land area.

d.Interpret and

e.Compute and interpret

f.Find the best predicted total yields of farmer with a total land area of 5 hectares.