You are observing the suit (clubs, diamonds, hearts, or spades) of a randomly dr

Question

You are observing the suit (clubs, diamonds, hearts, or spades) of a randomly drawn card from a deck. What is the degree(s) of freedom if you were to perform the Chi-square test on the expected and observed outcome of the suits of the cards?

1

0

3

4

You perform a Chi-square test for gene X and find the p-value to be between 0.05 and 0.01. What can you say with 95% certainty about this population?

This population is in Hardy-Weinberg equilibrium at the X locus: gene X is influenced by at least one force of evolution.

This population is in Hardy-Weinberg equilibrium at the X locus: gene X is notinfluenced by any forces of evolution.

This population is not in Hardy-Weinberg equilibrium at the X locus: gene X isinfluenced by at least one force of evolution.

This population is not in Hardy-Weinberg equilibrium at the X locus: gene X is notinfluenced by any forces of evolution.

1

0

3

4

Explanation / Answer

Please find the answers below:

Answer 1: Choice c (Since there are 4 choices available for drawing a card, the degree of freedom would be 4-1=3)

Answer 2: Choice b (Since the data is statistically significant in nature, the population follows Hardy-Weinberg equilibrium and hence no forces of evolution are acting upon it)

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