Answer:
We dont have to gather data from multiple samples
Step-by-step explanation:
When facing a test statistics we have to
1.- Proposed null and alternative hypothesis
2.-Check the sample distribution to verify what kind of distribution we have, and see what additional infromation we can get
3.-We have to set the significance level.
4.-Compute z (s) p statistics
5.-Compare with z(c) critical values
6 Take decisions