Question

Question 25 5 pts Solve the problem. A marketing study was conducted to compare the mean age of male and female purchasers of a certain product. Random and independent samples were selected for both male and female purchasers of the product. What type of analysis should be used to compare the mean age of male and female purchasers? A paired difference comparison of population means. A test of a single population mean An independent samples comparison of population proportions. An independent samples comparison of population means. Question 26 5 pts Solve the problem. Data was collected from CEOs of companies within both the low-tech industry and the consumer products industry. The following printout compares the mean return-to-pay ratios between CEOs in the low tech industry with CEOs in the consumer products industry. HYPOTHESIS: MEAN X-MEANY SAMPLES SELECTED FROM RETURN industry 1 (low tech) industry 2 (consumer products (NUMBER - 151 (NUMBER - 151 X-industry1 Y-industry 3 SAMPLE MEAN OFX-157.286 SAMPLE VARIANCE OF X-1563.45 SAMPLE SIZE OF X - 14 SAMPLE MEAN OFY -217.583 SAMPLE VARIANCE OFY-1601.54 SAMPLE SIZE OFY - 12 MEAN X-MEANY=-60.2976 t- -4.23458 P-VALUE - 0.000290753 P-VALUE/2 - 0.000145377 SD. ERROR - 14.239 If we conclude that the mean return-to-pay ratios of the consumer products and low tech CEOs are equal when, in fact, a difference really does exist between the means, we would be making a correct decision Type Illerrer Typell error Typel error

Answer 1

25)

Since we want to compare the means of two indpendent samples, so an independent samples comparision of population means would be appropriate.

Hence 4th option.

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