Question 1
For a one-tailed test (lower tail) with 22 degrees of freedom at 95% confidence, the value of t =
◦
-1.383
◦
1.383
◦
-1.717
◦
-1.721
Question 2
For a one-tailed test (lower tail), a sample size of 10 at 90% confidence, t =
◦
1.383
◦
2.821
◦
-1.383
◦
-2.821