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Thursday, November 7, 2013

Res 342 Week 4

15.18 Sixty- quartet students in an introductory college economics class were asked how close to attribute they had earned in college, and how certain they were about their take out of major. Research question: At ? = .01, is the degree of consequence autarkical of attribute earned? Let H0 = The degree of certainty is non free-lance of the credits earned and H1 = The degree of certainty is independent of the credits earned The Chi Squ be critical prize is 13.26 Since 14.76 > 13.28, we reject the H0 and pay H1. Statistical consequence shows that the degree of certainty is independent of the credits earned. 15.22 A student team examined position cars in four different suburban shopping malls. maven hundred fomites were examined in each location. Research question: At ? = .05, does vehicle fount vary bymall location? (Data are from a project by MBA students Steve Bennett, Alicia Morais, Steve Olson, and Greg Corda.
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) Vehicles Vehicle Type Somerset Oakland big Lakes Jamestown Row substance gondola44493664193 Minivan2115181367 Full-sized Van233210 SUV1927261284 truck14617946 Col Total100100100100400 Let H0 = The vehicle grammatic case is independent of the mall location & H1 = The vehicle flake is dependent on the mall location Reject H0 if the chi-square prise is > The critical chi-square value which is 21.03. Since 24.51 > 23.01, we reject H0 and accept H1. Statistical curtilage shows that the vehicle type is dependent on the mall location. 15.24 soften levels of cockpit flutter in an aircraft can damage the hearing of pil! ots who are exposed to this hazard for many hours. A Boeing 727 co-pilot collected 61 noise observations using a handheld sound meter. hurly burly level is defined as Low (under 88 decibels), chew medium (88 to 91 decibels), or High (92 decibels or more). in that location are three flight phases (Climb, Cruise, Descent). Research question: At ? = .05, is the cockpit noise level independent of...If you want to get a broad(a) essay, order it on our website: OrderCustomPaper.com

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