12.67

Project Description:

a ompany that produces and markets continuing education programs on dvds for the educational teating indusrty has traditionally mailed advertising to prospective customers. a market research study was undertaking to compare two sales approaches: mailing a sample dvd upon request that contained highlights o full dvd and send throuf the gh a website web link with sample material. the results are as follows:


type of media

purchased mailing e-mail total
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yes 26 11 37
no 227 247 474
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total 253 258 511

a) at a 0.05 level of significance, is there evidence of a basis of the type of media?

b) on the basis of the results of (a) , which type of m should the company use in the future? explained the rationale for your decission.


the company also was determined which sales approach delivered more sales
there were 474 respondents.

sales approach
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action e-mail dvd call total
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purchase 5 17 18 40

don't 153 141 140 434
purchase
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total 158 158 158 474

c) at a 0.05 level of significance , is there evidence of the difference in the proportion of dvds purchased on the basis of the sales strtegy used?

d) on the basis of t he results of (c), which sales approach do you think the company should use in the future? explain the rationale for your decission.
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Price Type: Negotiable

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