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The data is online. This is from question 14.45 in the textbook. Zagat's publishes restaurant ratings for various locations in the United States. The file Restaurants contains the Zagat rating for food, décor, service and cost per person for a sample of 50 restaurants located in a city and 50 restaurants located in a suburb. Develop a regression model to predict the cost per person, based on a variable that represents the sum of the ratings for food, décor, and service and a dummy variable concerning location (city versus suburban).
consider taking samples of size 25 from a population with proportion 0.65.a find the mean of the distribution of sample
air quality is measured by the concentration of a dangerous pollutant. the major of the city has engaged in a program
suppose that 75 of adult americans agree that while downloading music from the internet and then selling it is piracy
If you didn't, you'd primarily get women and older people. Comment on this approach to selecting a sample. How does the sampling procedure attempt to minimize certain types of bias? Are there sources of bias that may still be a concern?
a new car that is a gas- and electric-powered hybrid has recently hit the market. the distance travelled on 1 gallon of
Test for normality of the variables Temperature, Relative humidity and Wind separately using normal probability plot - Construct a 95% confidence interval for each of the variables in part (a).
question peter paul mary john and martha are members of the pastoral council at a localchurch. they are to be seated
Choose any Markov Chain with a 3x3 transition matrix that is irreducible and aperiodic. The reason it needs to be irreducible and aperiodic is because we are looking for a Markov Chain that converges.
As we saw when the Constitutional Convention met in the summer of 1787, slavery was a contentious issue, at odds with the principle expressed in the Declaration of Independence that "...all men are created equal." 70+ years, the issue was debated ..
Write a proposal paper (1,250-1,500 words) for a major change project that you would like to lead.Identify a health care issue that interests you and explain why.
a professor is interested in determining if attending college influences the level at which an individual cooperates
The manager collected data on shelf space and weekly sales from a random sample of 12 equal-sized stores. For those data, SSR equals=19,607 and SST= 29,785. What is the standard error of the estimate?
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