VERY URGENT !!!
Three stock analysts were asked to predict earnings for four different stocks (in 1000 TL ) for the next year. Their predictions are as shown below. Assume that the populations from which the sample drawn are normally distributed. (use 2 digits after decimal point)
Analyst 1 
Analyst 2 
Analyst 3 

Stock 1 
52 
46 
54 
Stock 2 
51 
37 
58 
Stock 3 
60 
40 
50 
Stock 4 
49 
45 
46 
1. Complete the following analysis of variance table.
Source of Variation 
SS 
Df 
MS 
FRatio 
Between Groups (Analysts)G 
Yanıt 

Between Blocks (Stocks)B 
104.67 

Error 
99.33 

Total 
2. At the 0.05 significance level, are the mean earnings differ by analysts?
a) Null Hypothesis is
Ho: Mean earnings according to different analysts are not equal
Ho: Mean earnings according to different analysts are equal
b) Alternative Hypothesis is
H_{1}: Mean earnings according to different analysts are equal for at least one pair
H_{1}: Mean earnings according to different analysts are not equal for at least one pair
c) FRatio is
d) Critical Value of the test at a=5% is
e) Does it appear at a=5% that population means are different ?
May be
Yes for at least one pair
No
3. At the 0.05 significance level, are the mean earnings differ by stocks?
a) Null Hypothesis is
Ho: Mean earnings for different stocks are not equal
Ho: Mean earnings for different stocks are equal
b) Alternative Hypothesis is
H_{1}: Mean earnings for different stocks are equal for at least one pair
H_{1}: Mean earnings for different stocks are not equal for at least one pair
c) FRatio is
d) Critical Value of the test at a=5% is Yanıt
e) Does it appear at a=5% that population means are different ?
May be
Yes for at least one pair
No
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