Question

# VERY URGENT !!! Three stock analysts were asked to predict earnings for four different stocks (in...

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 F-Ratio 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

H1: Mean earnings according to different analysts are equal for at least one pair

H1: Mean earnings according to different analysts are not equal for at least one pair

c)  F-Ratio 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

H1: Mean earnings for different stocks are equal for at least one pair

H1: Mean earnings for different stocks are not equal for at least one pair

c)  F-Ratio 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  #### Earn Coins

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