ap biology - chi-square analysis
originally streamed in 2019 with Caroline KoffkeTeachercovered in this stream
timestamps
- 0:00
Introduction to Chi Square
- 0:34
PowerPoint Setup
- 2:09
Starting Chi Square Analysis
- 3:10
Purpose of Chi Square
- 4:13
Chi Square Equations
- 5:15
Important Vocabulary
- 6:18
Null Hypothesis
- 7:20
Degrees of Freedom
- 8:24
Critical Value Table
- 9:59
Purpose and Analogy
- 11:31
Remembering the Purpose
- 14:38
First Practice: Guinea Pigs
- 16:14
Phenotypes and Freedom
- 17:49
Observed and Expected
- 20:26
Calculation Steps
- 23:34
Sum Chi Square
- 24:37
Critical Value Comparison
- 27:45
Second Practice: Cats
- 29:49
Observed Values
- 31:22
Expected Calculations
- 34:04
Accept Null Hypothesis
- 35:06
Third Practice: Wolves Dihybrid
- 37:43
Phenotype Ratios
- 39:18
Expected Values
- 41:37
Reject Null Hypothesis
- 42:40
Fourth Practice: Carrion Beetles
- 44:43
F2 Generation Ratios
- 46:17
Expected Phenotypes
- 48:59
Accept Null and Conclusion
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