-28. Thetext reports the results ofatest for the significance ofthedifference in

Question

-28. Thetext reports the results ofatest for the significance ofthedifference in average income for random samples of males and females. Males earned an average ofabout $17,000 more per year and the Zscore computed in step 4 was 6.53. Given these results, which ofthe following is a reasonable condlusion? a. The difference is statistically significant, large, and important. b- The difference is not statistically significant and was probably caused by random chance. c There is no gender gap in income in the United States d. This differ ence is statistically significant but quite small.

Explanation / Answer

Solution:-

option a.

The difference is statistically significant, large, and important

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