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11. Whonose Economic Forecasting, Inc. and Wazzup Econometrics have the same mean error per year in forecasting the stock
market over the last ten years. However, the standard deviation for Whonose is 40 points and 30 points for Wazzup. At the 0.05
significance level can we conclude that Wazzups forecast has less variation?

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at 5% significance level. we can not... View the full answer

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