Question

A study examines the ACTN3 genetic alleles R and X, also associated with fast-twitch muscles. Of the 436 people in this sample, 244 were classified R and 192 were classified X. Does the sample provide evidence that the two options are not equally likely?

A) Conduct the test using a chi-square goodness-of-fit test. Include all details of the test.

B) Conduct the test using a test for a proportion, using H0:p=0.5 where p represents the proportion of the population classified R. Include all details of the test.

C) Compare the p-values and conclusions of the two methods.

Answer 1

Solution: