Question

Two different analytical tests can be used to determine the level of impurity of steel alloys. Eight specimens are tested usi

Two different analytical tests can be used to determine the level of impurity of steel alloys. Eight specimens are tested using both procedures and the results are shown in the following tabulation:

Specimen

Test1

Test 2

1

1.2

1.4

2

1.3

1.7

3

1.5

1.5

4

1.4

1.3

5

1.7

2.0

6

1.8

2.1

7

1.4

1.7

8

1.3

1.6

0 0
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Answer #1

#ca Ho: Ma el d ela =0 o (6) ca T = I pairedt teft. ut i (b) I- +0.21250 so = 0.1723 D Ho: Md=0 Ho: Maro (2) teststuristic =(6 test statistics = 0.2125 0.1727 13.48 13.48 (1.8946 We reject to test25s better Conclure that man testl.

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