We use an F test rather than a t test for multi-group studies primarily to, statistics assignment help
We use an F test rather than a t test for multi-group studies primarily to
a. |
Avoid calculating standard deviations from the variances. |
b. |
Be able to use a single formula regardless of differing sample sizes between groups. |
c. |
Reduce calculation time. |
d. |
Avoid escalating type 1 error rates. |
I doubt between two. Need help clarifying which one would be the correct one