An experiment is conducted to investigate the control of one’s blood pressure through meditation. The blood pressure measurements are measured before and after meditation. Is blood pressure...

An experiment is conducted to investigate the control of one’s blood pressure through meditation. The blood pressure measurements are measured before and after meditation. Is blood pressure significantly different after participation in meditation?

Subjects

Before / After

137
130

201 180

167 150

150 153

173 162

What is :

Critical value at a 90% confidence level, Critical value at a 95% confidence level, and the test statistic?