Critical values

Problem

For \(α=0.05\) , \(k=4\) and \(l=6\) find

1. \(z_α\)
2. \(z_{α/2}\)
3. \(t_{α,k}\)
4. \(t_{α/2,k}\)
5. \(χ_{α,k}^2\)
6. \(F_{α,k,l}\)