E: Chi-Squared Contingency Table Tests
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From the OCR B MEI specification (LINK):
PLAYLIST
PLAYLIST
The Chi-Squared Statistic
The Chi-Squared Statistic
01 Introduction
01 Introduction
02 The Chi-Squared Statistic
02 The Chi-Squared Statistic
Hypothesis Testing
Hypothesis Testing
03 Null & Alternative Hypotheses
03 Null & Alternative Hypotheses
04 Critical Values
04 Critical Values
05 Degrees of Freedom
05 Degrees of Freedom
06 The Hypothesis Test
06 The Hypothesis Test
07 Example 1
07 Example 1
08 Example 2
08 Example 2
09 Interpreting Contributions
09 Interpreting Contributions
10 Small Expected Frequencies
10 Small Expected Frequencies