In Exercises 50 and 52, we see the number of advertised brand names people recalled immediately after
Question:
a) Suppose one analyst conducts a two-sample hypothesis test to see if memory of brands advertised during violent TV shows is higher 24 hours later. The P-value is 0.00013. What might she conclude?
b) Explain why her procedure was inappropriate. Which of the assumptions for inference was violated?
c) How might the design of this experiment have tainted these results?
d) Suggest a design that could compare immediate brand name recall with recall one day later.
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Related Book For
Business Statistics
ISBN: 9780321925831
3rd Edition
Authors: Norean Sharpe, Richard Veaux, Paul Velleman
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