3.3# In an estimated simple regression model, based on 24 observations, the estimated slope parameter is 0.310 and the estimated standard error is 0.082. (a) Test the hypothesis that the slope is zero against the alternative that it is not at the 1% level of significance. (b) Test the hypothesis that the slope is zero against the alternative that it is positive at the 5% level of significance. (c) Test the hypothesis that the slope is zero against the alternative that it is negative at the 5% le
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