STATISTICAL INFERENCE TABLE:
Case |
parameter |
estimator |
standard deviation |
standard error |
Sampling Distribution |
one mean or matched pairs diff |
_{} |
_{} |
_{} |
_{} |
t (n-1) |
difference of two independent means |
_{} |
_{} |
_{} |
_{} |
t with conservative df = smallest of (n_{1}-1) and (n_{2}-1) |
one proportion |
_{} |
_{} or
_{} |
_{} |
CI:_{} ST:_{} |
z |
difference of two independent
proportions |
_{} |
_{} or _{} |
_{} |
CI:_{} ST: _{} |
z |