chi-squared

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Jen Butcher

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chi squared test -
This test compares measurements relating to the frequency of individuals in defined categories e.g. the numbers of white and purple flowers in a population of pea plants.
Chi-squared is used to test if the observed frequency fits the frequency you expected or predicted.
O = observed
E = expected
H0 = there is no statistically significant difference between the observed frequency of maize grains and the expected frequency (the 9:3:3:1 ratio)
HA = there is a significant difference between the observed frequency of maize grains and the expected frequency
If the value for χ2 exceeds the critical value (P = 0.05), then you can reject the null hypothesis

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chi-squared

Cards (3)

4.4 Chi-Squared Tests

2.3.3 Patterns of Inheritance

8.3 The Chi-Square Test for Homogeneity

8.4 The Chi-Square Test for Independence

6.1.4 Genetic Inheritance

6.1.4 Genetic Inheritance

3.3 Recognizing Patterns of Development

2.1 DNA and Inheritance

4.2 Changing Patterns of Family Life

8.3 Population Ecology

8.5 Community Ecology

6.1.2 Meiosis

7.1.7 Chi-Squared Test

6.1.3 DNA and the Genome

2.1.1 Eukaryotic cells

2.5.2 Transport mechanisms

5.2.3 Evolution

6.1.1 Sexual and Asexual Reproduction

2.3.4 Genetic Disorders

2.3.1 DNA replication

2.3.1 Structure of DNA