Solution-Test if the purchase behaviour is independent of

Test if the purchase behaviour is independent of the sales

Assignment Help Basic Statistics

Reference no: EM13580430

Some sales representatives want to determine which approach would result in more sales for a manufacturing product. The three approaches are

videotaped information mailed on CD to prospective customers,
a face-to-face visit to prospective customers, or
a telephone call to prospective customers.

A random sample of 300 prospective customers was selected with 100 assigned to each of the three different sales approaches. The results are tabulated below:

Sales approach
	Videotape	Person sales visit	Phone call	Total
Purchase	19	27	14	60
Didn't purchase	81	73	86	240
Total	100	100	100	300

Test if the purchase behaviour is independent of the sales approach at the significance level of 0.05, by answering the following.

(a) State your two hypotheses

(b) Calculate the test statistic

(d) Regardless of your answer in (c), which cell makes the biggest contribution to the test statistic?

Reference no: EM13580430

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Test if the purchase behaviour is independent of the sales

Reference no: EM13580430

Reference no: EM13580430

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