Question

Determine the t-value based on the sample size n and a

1)n=25 a= 0.01

Df=

T-Value =

2)n=15 a= 0.025

Df=

T-Value =

Answer 1

1) $\alpha=0.01, df=n-1=24$ degrees of freedom.

$$t=2.228138$$

2) $\alpha=0.025, df=n-1=14$ degrees of freedom.

$$t=2.509569$$