Independent random samples of Company W employees were taken to compare salaries between college graduates and high school graduates. Samples of size 30 were taken for each group. The results follow.
Use Excel to estimate the difference in average salaries between the two groups with a 95% level of confidence.

Question

Independent random samples of Company W employees were taken to compare salaries between college graduates and high school graduates. Samples of size 30 were taken for each group. The results follow.
  Use Excel to estimate the difference in average salaries between the two groups with a 95% level of confidence.

Quizplus · Accepted Answer

The Answer of Independent random samples of Company W employees were taken to compare salaries between college graduates and high school graduates. Samples of size 30 were taken for each group. The results follow.
  Use Excel to estimate the difference in average salaries between the two groups with a 95% level of confidence.

Independent Random Samples of Company W Employees Were Taken to Compare