When it comes to high-end Japanese eateries featuring sushi, the quality and presentation of the food are no doubt indicators of the cost. What about the décor of the restaurant? Would that also have an effect on the cost? Zagat Survey results, published in Newsweek, produced a correlation coefficient of 0.532 between restaurant décor rating and the average cost of dinner. If these results were based on five restaurants, can we conclude the relationship is significant at the 0.05 level of significance?
Answer to relevant QuestionsThe population (in millions) and the violent crime rate (per 1000) were recorded for 10 metropolitan areas. The data are shown in the following table. The graphic in Applied Example 13. 6 reports the effect each at-fault traffic accident had on 2009 average annual auto insurance premiums. a. Does it appear that the variable “number of at-fault accidents” had a ...The following data show the number of hours studied for an exam, x, and the grade received on the exam, y (y is measured in 10s; that is y = 8, means that the grade, rounded to the nearest 10 points, is 80). a. Draw a ...State the null hypothesis, Ho, and the alternative hypothesis, Ha, that would be used to test the following statements: a. The slope for the line of best fit is positive. b. The slope of the regression line is not ...Diopters represent the amount of correction needed to provide 20/20, or normal, vision. The greater the degree of nearsighted or farsighted vision, the higher the corrective prescription in diopters. Measurements in negative ...
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