Data was collected from two local companies in London on the hourly wages of each companies employees. In a sample of 90 employees at Company A, the average hourly wage was $18.95. In a sample of 70 employees at Company B, the average hourly wage was $18.37. The population standard deviation of the hourly wages at Company A is $1.35 and the population standard deviation of the hourly wages at Company B is $1.15. At the 1% significance level is there a significant difference between the average hourly wages at the two companies?

• From options #1 to #4 select the correct hypotheses for this test.
• From options #5 to #8 select the correct p-value for this test.
• From options #9 to #12 select the correct conclusion for this test.

Let Company A be population 1 and Company B be population 2. Complete the subtraction as population 1-population 2.

1) H0:1-2=0

Ha:1-2>0

2) H0:1-2=0

Ha:1-20

3) H0:1-2=0

Ha:1-2<0

4) H0:1=2

Ha:12

5) 0.0019

6) 0.0039

7) 0.0017

8) 0.0034

9) Based on the samples there is enough evidence to conclude that there is a difference between the average hourly wages at the two companies

10) Based on the samples there is not enough evidence to conclude that there is a difference between the average hourly wages at the two companies.

11) The average hourly wages are the same

12) The average hourly wages are the different