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MAT FA are a lund to the ANOVA F poe to H. All At our (a) (b) 23. (e) al 2007 Ba

ID: 3250150 • Letter: M

Question

MAT FA are a lund to the ANOVA F poe to H. All At our (a) (b) 23. (e) al 2007 Baued on the following catepekal data you are asked to test Ho Pa-p pv 025 Find the oteerved value of the one-way -test. (a) 22.85 (b) 13 (e) 45713 (d) 05713 24 A contingency data table has 4 rouw and 8 columns. We the two- way -test to test Ho The two clu ifications are independent against He Tbe two test statisties is 338, which of the following conclusions is TRUE? (a) Ho rejected at the o 02s level. (b) Hs is rejected at the 001 level. (c) He catinot be rejneted at the 0.10 level. (d) Ho rejected at the 005 level.

Explanation / Answer

Q-22-option-d

F=(R2/k)/((1-R2)/(n-k-1)=(0.828/4)/((1-0.828)/(30-4-1))= 30.0872

Q-23-Option-a

Cell

Oi

pi

Ei=160*pi

(Oi-Ei)^2/Ei

1

18

0.25

40

12.1

2

35

0.25

40

0.625

3

49

0.25

40

2.025

4

58

0.25

40

8.1

Total

160

1

160

22.85

Chi-sqaure

Q-24-option-d

Degree of freedom=(4-1)*(8-1)=21

p-value=P(chi^2>33.8)= 0.0381

Cell

Oi

pi

Ei=160*pi

(Oi-Ei)^2/Ei

1

18

0.25

40

12.1

2

35

0.25

40

0.625

3

49

0.25

40

2.025

4

58

0.25

40

8.1

Total

160

1

160

22.85

Chi-sqaure