Question
A local manufacturing company uses two different methods to produce its product. The company wants to know if there is a difference in the productivity
A local manufacturing company uses two different methods to produce its product. The company wants to know if there is a difference in the productivity of its workers using the two different methods. A sample of workers as taken and their productivity rating using each method was recorded below. At the 1% significance level, determine if there is any difference in the productivity rating of the two methods.
- 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 method 1 be population 1 and method 2 be population 2. Complete the subtraction as population 1-population 2.
- H0:1-2=0
Ha:1-2>0
- H0:D=0
Ha:D>0
- H0:D=0
Ha:D0
- H0:1-2=0
Ha:1-20
- 0.2938
- 0.0302
- 0.2972
- 0.0245
- There is no difference in the two methods.
- Based on the samples there is enough evidence to conclude that there is a difference in the productivity rating of the two methods.
- Based on the samples there is not enough evidence to conclude that there is a difference in the productivity rating of the two methods.
- There is a difference in the two methods.
Worker | Method 1 | Method 2 |
1 | 6 | 5 |
2 | 4 | 4 |
3 | 6 | 7 |
4 | 6 | 5 |
5 | 3 | 4 |
6 | 4 | 4 |
7 | 7 | 5 |
8 | 6 | 5 |
9 | 3 | 4 |
10 | 7 | 6 |
11 | 7 | 6 |
12 | 5 | 5 |
13 | 5 | 5 |
14 | 8 | 7 |
15 | 6 | 4 |
16 | 6 | 8 |
17 | 3 | 4 |
18 | 8 | 8 |
19 | 6 | 5 |
20 | 3 | 3 |
21 | 6 | 4 |
22 | 3 | 3 |
23 | 7 | 6 |
24 | 8 | 6 |
25 | 8 | 6 |
26 | 5 | 5 |
27 | 9 | 8 |
28 | 8 | 7 |
29 | 6 | 5 |
30 | 3 | 4 |
31 | 7 | 6 |
32 | 7 | 7 |
33 | 6 | 7 |
34 | 4 | 5 |
35 | 7 | 8 |
36 | 7 | 6 |
37 | 5 | 4 |
38 | 6 | 5 |
39 | 2 | 3 |
40 | 6 | 5 |
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