Question: Increased blood vessel formulation is a predictive factor in survival for a certain disease. One treatment is stem cell transplantation with thepatient's own stem cells.

Increased blood vessel formulation is a predictive factor in survival for a certain disease. One treatment is stem cell transplantation with thepatient's own stem cells. The accompanying data table represents the microvessel density for patients who had a complete response to the stem cell transplant. The measurements were taken immediately prior to the stem cell transplant and at the time the complete response was determined. Complete parts(a) through(d) below.

Patient 1 Before/After 178/309

Patient 2 203/106

3 191/216

4 338/235

5 378/276

6 425/202

7 440/299

The test statistic is tSTAT=

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