Is the effect of the medicine significant at the 5 percent

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Reference no: EM13901910

Twelve patients having high albumin content in their blood were treated with a medicine. Their blood content of albumin was measured before and after treat- ment. The measured values are shown in the table.

Blood Content of Albumina a Values given in grams per 100 ml.

Patient	Before Treatment	After Treatment
1	5.02	4.66
2	5.08	5.15
3	4.75	4.30
4	5.25	5.07
5	4.80	5.38
6	5.77	5.10
7	4.85	4.80
8	5.09	4.91
9	6.05	5.22
10	4.77	4.50
11	4.85	4.85
12	5.24	4.56

Is the effect of the medicine significant at the 5 percent level?

• Use the sign test.

• Use the signed rank test.

Reference no: EM13901910

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