We use an F test rather than a t test for multi-group studies primarily to, statistics assignment help

We use anFtest rather than attest for multi-group studies primarily toa.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