题目内容

One of the following steps is not required as a step to test for the null hypothesis:

A. compute the standard error of 1.
B. test for the errors to be normally distributed.
C. compute the t-statistic.
D. compute the p-value.

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Finding a small value of the p-value (e.g. less than 5%)

A. indicates evidence in favor of the null hypothesis.
B. implies that the t-statistic is less than 1.96.
C. indicates evidence in against the null hypothesis.
D. will only happen roughly one in twenty samples.

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The only difference between a one- and two-sided hypothesis test is

A. the null hypothesis.
B. dependent on the sample size n.
C. the sign of the slope coefficient.
D. how you interpret the t-statistic.

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Using 143 observations, assume that you had estimated a simple regression function and that your estimate for the slope was 0.04, with a standard error of 0.01. You want to test whether or not the estimate is statistically significant. Which of the following possible decisions is the only correct one:

A. you decide that the coefficient is small and hence most likely is zero in the population
B. the slope is statistically significant since it is four standard errors away from zero
C. the response of Y given a change in X must be economically important since it is statistically significant
D. since the slope is very small, so must be the regression R2.

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어젯밤에 기분이 좋아서 술을() 병 마셨습니다.

A. 한
B. 하나
C. 하
D. 일

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One of the following steps is not required as a step to test for the null hypothesis:

A. compute the standard error of 1. B. test for the errors to be normally distributed. C. compute the t-statistic. D. compute the p-value.

Finding a small value of the p-value (e.g. less than 5%)

The only difference between a one- and two-sided hypothesis test is

어젯밤에 기분이 좋아서 술을() 병 마셨습니다.

A. compute the standard error of 1.
B. test for the errors to be normally distributed.
C. compute the t-statistic.
D. compute the p-value.