For each of the following examples, state whether the chi-squaregoodness-of-fit test or the chi-square test for independence isappropriate, and state the degrees of freedom (df) for thetest.
Part A) An instructor tests whether class attendance (low, high)and grade point average (low, average, high) are independent.
- State whether the chi-square goodness-of-fit test or thechi-square test for independence is appropriate.
- State the degrees of freedom for the test. df =
Part B) A student tests whether the professor's speaking style(monotone, dynamic) and student interest (low, average, high) areindependent.
- State whether the chi-square goodness-of-fit test or thechi-square test for independence is appropriate.
- State the degrees of freedom for the test. df =
Part C) A health psychologist records the number of belowaverage, average, overweight, and obese individuals in a sample ofcollege students.
- State whether the chi-square goodness-of-fit test or thechi-square test for independence is appropriate.
- State the degrees of freedom for the test. df =
Part D) A personality psychologist compares the number of singlemothers with Type A or Type B personality traits.
- State whether the chi-square goodness-of-fit test or thechi-square test for independence is appropriate.
- State the degrees of freedom for the test. df =
