You want to investigate whether teenagers in the United Kingdom (UK) tend to have read more Harry

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You want to investigate whether teenagers in the United Kingdom (UK) tend to have read more Harry Potter books, on average, than teenagers in the United States (US).
a. Identify and classify (as categorical or quantitative) the explanatory and response variable.
b. Would you ideally use random sampling for this study, or random assignment, or both? Explain.

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Introduction To Statistical Investigations

ISBN: 9781118172148

1st Edition

Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy

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