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For a sample of 62 monthly observations the regression of the percentage return on gold (3;) against the percentage change in the consumer price index (:13) was estimated. The sample regression line, obtained through least squares, was as follows: 3:; = 0.003 + 1.11:3. The estimated standard deviation of the slope of the population regression line was 2.31. Test the null hypothesis at the 10% level that the slope of the population regression line is 0 against the alternative that the slope is positive