If the t ratio for the slope of a simple linear regression equation is -2.48 and

Question

If the t ratio for the slope of a simple linear regression equation is -2.48 and the critical values of the t distribution at the 1% and 5% levels, respectively, are 3.499 and 2.365, then the slope is

        a. not significantly different from zero.

        b. significantly different from zero at both the 1% and the 5% levels.

        c. significantly different from zero at the 1% level but not at the 5% level.

        d. significantly different from zero at the 5% level but not at the 1% level.

Explanation / Answer

d. significantly different from zero at the 5% level but not at the 1% level.

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