Question

question 15
1 pts
ch 18 in assessing the validity of any test of hypotheses, it is good practice to___________________________ (check all that apply).
examine the probability model that serves as a basis for the test by using exploratory data analysis on the data.
determine exactly how the study was conducted.
determine what assumptions the researchers made.

Explanation:

• Checking the probability model via exploratory data analysis helps verify the basis of the hypothesis test.
• Knowing how the study was conducted (experimental design, sampling methods etc.) is crucial for validity.
• Understanding researcher assumptions (e.g., normality in parametric tests) is essential for assessing if the test is appropriately applied.

Answer:

examine the probability model that serves as a basis for the test by using exploratory data analysis on the data, determine exactly how the study was conducted, determine what assumptions the researchers made.