A researcher runs a two-tailed hypothesis test with = 0.05. Based on her data, she fails to reject the null that there is no difference in math scores based on the time of day the test is taken. If this decision is a Type II error, then the truth in the population would be that a. students only sometimes perform better when a math test is taken in the morning. b. math tests should be administered in the morning hours. c. there is no difference in math scores based on the time of day the test is taken. d. there is a difference in math scores based on the time of day the test is taken