Chi Square/Hardy-Weinberg Flashcards

1
Q

What is a null hypothesis?

A

A hypothesis that states the variable will have no effect. Any difference between the expected and observed data is due entirely to chance.

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2
Q

What is the “expected” data?

A

Data that proves that the variable had no effect.

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3
Q

What is the “observed” data?

A

The actual data collected from the experiment

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4
Q

What determines if you accept or reject the null hypothesis?

A

If the value is greater than the threshold for the given degrees of freedom

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5
Q

What are degrees of freedom?

A

The number of classes or categories minus one

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6
Q

How does chi-square value relate to probability?

A

The lower the chi square value, the greater probability that the difference between the observed and expected results are due to chance.

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