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Suppose you were a real estate agent and you were asked by a client about the "typical" home in a subdivision. Being the astute agent you are, you have gathered the following information on each house in the subdivision: price, square footage, # bedrooms, # bathrooms, age.
What statistic (mean, median or mode) would you use to describe each aspect of the "typical" home? For example, you might use the MEAN for price, the MEDIAN for square footage, the MODE for ..., or you might use the same statistic for all five. Whatever you decide, justify your answer. Just try to imagine the type of answers you would be giving your client based on your selections for a subdivision that has 100 homes with a wide variety of sizes and prices.
How does this apply or could apply to your workplace or home?How does this apply or could apply to your daily use, business use, or personal use?
A big part of regression analysis involves hypothesis testing. For example the t-score for b1 tests a hypothesis...what is the H0 and Ha for this hypothesis?
Ski Resorts of Vermont, Inc. is considering a merger with Gulf Shores, Inc. of Alabama. The board of directors surveyed 50 stockholders concerning their position on the merger.
Vince Showers, Managing Director for Sleaz Entertainment, claims that the average age of their customers is at least 23. If this is not the case, Showers will face charges of violating local ordinances regarding public decency.
When writing about the probability that it will rain in Boston on July 4 of next year, a newspaper reporter states that the probability is ½, because either it will rain or it will not.
Explain how one extreme score influences mean and standard deviation.
Determine a point estimate of population mean. Determine the 99% confidence interval of true mean weight of the minivans.
Suppose that your company manufactures computer equipment and you must determine if a supplier of your company meets the required product specifications.
Define irregular component in time series and explain the differences between other components as well as its effects.
A sample of 140 golfers showed that their average score on a particular golf course was 93.38 with a standard deviation of 4.36. Answer each of the following (show all work and state the final answer to at least two decimal places.):
The producer of a TV special expected about 40 percent of the viewing audience to watch a rerun of a 1965 Beatles Concert. A sample of 200 homes revealed 60 to be watching the concert.
Assume we have a population of scores with mean (mu) of 200 and standard deviation (sigma) of 10. Assume that the distribution is normal. Provide answers to the following questions:
What is the probability that among 10 true hypertensives at least 50% are being treated appropriately and are complying with this treatment?
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