It has been reported that 8.7% of U.S. households do not own a vehicle, with 33.1% owning 1 vehicle, 38.1% owning 2 vehicles, and 20.1% owning 3 or more vehicles. The data for a random sample of 100 households in a resort community are summarized in the frequency distribution below. At the 0.05 level of significance, can we reject the possibility that the vehicle-ownership distribution in this community differs from that of the nation as a whole?
Answer to relevant QuestionsFor the data provided in Exercise 13.18, use the 0.05 level in testing whether the sample could have been drawn from a Poisson population with λ = 1.5. In exercise For the previous 300 plywood panels from a lumber company’s production line, the data in file XR13024 list the number of surface defects per panel. Based on this information, use the 0.05 level of significance in examining ...A researcher has observed 100 shoppers from three different age groups entering a large discount store and noted the nature of the greeting received by the shopper. Given the results shown here, and using the 0.025 level of ...For a random sample of returns audited by the IRS, the data in file XR13041 describe the results according to the income category of the audited party (coded as 1 – low, 2 = medium, 3 = moderate, and 4 = high) and the type ...An experiment has been conducted to compare the ease of use of several pocket calculators, with subjects randomly provided with one of four calculator designs. The subjects have been coded according to which one of the four ...
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