# Question: a What is a confounded comparison and when does it

(a) What is a confounded comparison, and when does it occur?

(b) What is an unconfounded comparison, and when does it occur?

(c) Why don’t we perform post hoc tests on confounded comparisons?

(b) What is an unconfounded comparison, and when does it occur?

(c) Why don’t we perform post hoc tests on confounded comparisons?

**View Solution:**## Answer to relevant Questions

For each of the following, to how many places will you round off your final answer? (a) When measuring the number of questions students answered correctly on a test. (b) When measuring what proportion of the total possible ...For a 2 × 2 ANOVA, describe the following in words: (a) The statistical hypotheses for factor A, (b) The statistical hypotheses for factor B, and (c) The statistical hypotheses for A × B. A survey finds that, given the choice, 34 females prefer males much taller than themselves, and 55 females prefer males only slightly taller than themselves. (a) What procedure should we perform? (b) What are H0 and Ha? (c) ...We measure the maturity level of students who have completed statistics and students who have not. Maturity scores tend to be skewed. For the following interval scores, For the following, what inferential statistical procedures should be performed and what is the key information for answering the research question? Unless described otherwise, assume scores are parametric. (a) To test the ...Post your question