Many Studies Have Been Conducted on the Effects of Having

question 7

Multiple Choice

Many studies have been conducted on the effects of having a pet on the response to medical problems and on mental health. But doctors in Berlin were interested in the effects of having a pet bird on lung cancer. (I assume they were wondering if birds might cause air pollution that could lead to lung cancer.) They asked 239 patients with lung cancer and 429 controls without lung cancer whether they had a pet bird. Ninety eight of the 239 patients did have a bird, while 101 of the 429 controls had a bird. (That strikes me as a very high percentage of bird owners, but those are the data.)
What assumptions would need to underlie our analysis for this experiment?

• A) The observations are independent.
• B) There is no correlation between the variables.
• C) Expected values would be normally distributed.
• D) both a and c

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Definitions:

Customer Service Concept

A business philosophy centered around meeting or exceeding customer expectations to enhance satisfaction and loyalty.

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The management of the flow of goods between the point of origin and the point of consumption to meet customer or corporation requirements.

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Efforts aimed at delivering the highest level of support and satisfaction to customers to foster loyalty and positive experiences.

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A group of people who share one or more characteristics, making them more likely to respond similarly to a company's marketing efforts.