October 2019
Beginner to intermediate
674 pages
16h 43m
English
Content preview from Mastering pandas - Second Edition
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Types of t-tests
There are various types of t-tests. The following are the most common one. They typically formulate a null hypothesis that makes a claim about the mean of a distribution:
- One-sample independent t-test: This is used to compare the mean of a sample with that of a known population mean or known value. Let's assume that we're health researchers in Australia who are concerned with the health of the aboriginal population and wish to ascertain whether babies born to low-income aboriginal mothers have lower birth weight than normal.
An example of a null hypothesis test for a one-sample t-test would be this: the mean birth weight for our sample of 150 deliveries of full-term, live babies from low-income aboriginal mothers is no ...
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