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Unformatted text preview: Analyst A 101 0.05 0.1 Analyst B 121 0.02 0.09 a. Ho=0 Ha does not equal to 0 b. ttest 5.02 In both cases we would reject the hypothesis zstatistic 5.03 c. ttest 2.44 at .05 we reject the null hypothesis in both cases zstatistic 2.44 at .10, we do not reject the hypothesis Number of Forecasts Mean Forecast Error Standard Deviation of Forecast Errors a. Ho: u=0 Ha: U does not equal to 0 b. ttest1.51 we do not reject the null hypothesis c. ttest2.42 we reject the null hypothesis d. ttest 0.58 we do not reject the null hypothesis...
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 Spring '08
 William,White
 Statistics, Null hypothesis, Statistical hypothesis testing, analyst

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