Transcribed Image Text:16.14 In Table 16.8 we have the weight gain y and initial weight x of pigs under
four diets (treatments).
(a) Estimate B.
(b) Test Ho: a? = a? = a3 = a? using F in (16.31).
TABLE 16.8 Gain in Weight y and Initial Weight x
of Pigs
1
X
y
165
30
170
27
130 20
156
21
167
151
2
Treatment
y
y
180
24
156
169 31
189
171
20 138
161 26 190
33
180
20 160
29
170 25 172
Source: Ostle and Malone (1988, p. 445).
3
X
PROBLEMS 475
4
y
34
201
41
32
173
32
35 200
30
35
193
35
30
142
28
29 189 36
x
(c) Test Ho: B= 0 using F in (16.36).
(d) Estimate B?, B?, B3, and B4 and test homogeneity of slopes Ho: B? =
B? B3 B4 using F in (16.49).
four diets (treatments).
(a) Estimate B.
(b) Test Ho: a? = a? = a3 = a? using F in (16.31).
TABLE 16.8 Gain in Weight y and Initial Weight x
of Pigs
1
X
y
165
30
170
27
130 20
156
21
167
151
2
Treatment
y
y
180
24
156
169 31
189
171
20 138
161 26 190
33
180
20 160
29
170 25 172
Source: Ostle and Malone (1988, p. 445).
3
X
PROBLEMS 475
4
y
34
201
41
32
173
32
35 200
30
35
193
35
30
142
28
29 189 36
x
(c) Test Ho: B= 0 using F in (16.36).
(d) Estimate B?, B?, B3, and B4 and test homogeneity of slopes Ho: B? =
B? B3 B4 using F in (16.49).
