For each of the following exercises please tell me which section should I use, 1

Question

For each of the following exercises please tell me which section should I use, 13.4 Randomized block design or section 13.5 Factorial Experiments (Two Way Anova) 4. As part of a study designed to compare hybrid and similarly equipped conventional vehicles, Consumer Reports tested a variety of classes of hybrid and all-gas model cars and sport utility vehicles (SUVs. The data set HybridTest gives the miles-per-gallon rating Consumer Reports obtained for two hybrid small cars, two hybrid midsize cars, two hybrid small SUVs hybrid midsized given the miles per for eight by similarly equipped conventional models. Test the population mean differs class and by type, using a 0.05 ...o tuou 6. Suppose that a local chapter of sales professionals in the greater San Francisco area years of conducted a survey of its membership to study the relationship, ifany, between the positions. experience and salary for individuals employed in inside sales and in outside sales On the survey, respondents were asked to specify one of three levels of years of experience: low (1-10 years), medium (1-20 years), and high (21 or more years). The data file is SalesSalary. Test whether salary differs by position, and by experience using a means 9. A study reported in the Journal of the American Medical Association investigated the cardiac demands of heavy snow shoveling, Ten healthy men underwent exercise testing with a treadmill and a cycle ergometer modified for arm cranking. The men then cleared two tracts of heavy, wet snow by using a lightweight plastic snow shovel and an electric snow thrower. Each subject's heart rate, blood pressure, oxygen uptake, and perceived exertion during snow removal were compared with the values obtained during treadmill and arm-crank ergometer testing. At the .05 level of significance, test for any significant differences among the snow removal methods.

Explanation / Answer

(4) Here you should use Factorial Experiments as there are two factors(Class & Type) used in the design.

(6) Here you should use Factorial Experiments as there are two factors(Experience & Position) used in the design.

(9) Here you should use Randomized block design

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