Question

HYPOTHESIS TEST:

Difference in Cardiopulmonary exercise testing time Pre- and Post- PCI procedure (in seconds):

PCI: 90.7, 78.8, 50, 50.9, 75.2, 144.7, 23.3, -1.6, 78.1

PLACEBO: 35.4, -47.8, 63.3, 35.4, 30.1, 179.3, 59.1, 1.9

Determine if the two groups are statistically different or not at 95% confidence level. PLS use the p-value method.

Answer 1