In 2016, a sample of 200 in-store shoppers showed that 42 paid by debit card. In 2017,

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In 2016, a sample of 200 in-store shoppers showed that 42 paid by debit card. In 2017, a sample of the same size showed that 62 paid by debit card.

(a) Formulate appropriate hypotheses to test whether the percentage of debit card shoppers increased.

(b) Carry out the test at α = .01.

(d) Test whether normality of p₁ − p₂ may be assumed.

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Essential Statistics In Business And Economics

ISBN: 9781260239508

3rd Edition

Authors: David Doane, Lori Seward

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Question Posted: Oct 11, 2019 08:32 AM

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In 2016, a sample of 200 in-store shoppers showed that 42 paid by debit card. In 2017,

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a Define p 1 proportion of shoppers that paid by debit card ...View the full answer

Essential Statistics In Business And Economics

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