Write briefly on the following terms : (a) A one-tailed test. (b) Systematic Sampling (c) A Two-tailed test (d) Cluster sampling (e) accidental/ haphazard sampling       (a) A One-Tailed Test: A one-tailed test, also known as a one-sided test, is a statistical hypothesis test that examines whether a sample’s result falls significantly above … Continue reading Explained Statistical Terms