Chi - squared in Inheritance

Question 1

What is the chi - squared test?

Answer 1

The test is used to test the null hypothesis

Question 2

What is the chi - squared test used to achieve in inheritance?

Answer 2

The chi - squared test is a means of testing whether any deviation between the observed and expected numbers in an investigation is significant or not

Question 3

What is the criteria that needs to be met in order to use the chi - squared test?

Answer 3

1. The sample size has to be relatively large
2. The data must fall into discrete categories
3. Only raw counts, so no percentages/rates can be used
4. When the test is used to compare the experimental results with theoretical results

Question 4

What is the formula for chi - squared tests?

Answer 4

observed numbers (O) - expected numbers (E) all squared DIVIDED by expected numbers (E)

this all added up

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