AP Chi Square

_____________ states that any difference between observed data and expected data is by chance

• Null hypothesis

• Alternative hypothesis

What is the degree if of freedom if we are studying 5 traits.

• 5

• 4

• 3

• 2

What does P 0.05 represents in the table of degrees of freedom

• You are 95% confident that your observed data fits your expected data

• You are 99% confident that your observed data fits your expected data

• You are 5% confident that your observed data fits your expected data

If chi squared (X^2) > critical value , this indicates that

• Reject the null hypothesis

• Accept the null hypothesis

Two heterozygous black cows were crossed. What is expected value for having black cows?

• 25%

• 50%

• 75%

• 100%