How to test the difference in two proportions

Reference no: EM1317438

To test the difference in two proportions.

A test was conducted to find out whether gender of a spokesperson affected the likelihood that consumers would prefer a new product. A survey of consumers at trade show employing a female spokesperson determined that 70 out of 150 customers preferred the product while 62 of 180 customers preferred the product when a male spokesperson was employed. At the 0.01level of significance do the samples provide sufficient evidence to indicate that on the average more consumers prefer a new product when the spokesperson is female?

Reference no: EM1317438

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