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Researchers in a California community have asked a sample of 175 automobile owners to select their favorite from three popular automotive magazines. Of the 111 import owners in the sample, 54 selected Car and Driver, 25 selected Motor Trend, and 32 selected Road & Track. Of the 64 domestic-make owners in the sample, 19 selected Car and Driver, 22 selected Motor Trend, and 23 selected Road & Track. At the 0.05 level, is import/domestic ownership independent of magazine preference? Based on the chi-square table, what is the most accurate statement that can be made about the p-value for the test?
identify the data sets level of measurements.levels of measurements nomial names labels categories ect. ordinal
1. the random sample of five observations in exercise 1-1 found ? 11.2 and s2 9.2. state your assumptions and
if n28 barxx-bar47 and s2 construct a confidence interval at a 98 confidence level. assume the data came from a
a survey of 1373 parents and 1343 students in grades 6-12 regarding the importance of science and mathematics in the
the weight of a product is normally distributed with a standard deviation of .5 ounces. what should the average weight
the level of nitrogen oxides nox in the exhaust of cars of a particular model varies normally with mean 0.24 grams per
Clark Heter is an industrial engineer at Lyons Products. He would like to conclude whether there are more units produced on the afternoon shift than on the day shift. A sample of 54 day-shift workers showed that the mean number of units produced w..
some people who have heart attacks do not experience chest pain although most do. a study of people admitted to
provide me half page response to each discussion post. for the discussion 1 and discussion 2 tell me what you liked
A stock price is $30, the expected return is 18% per annum and the volatility is 20% per annum. What is the mean of the logarithm of the stock price in two years?
the mean incubation time for a type of fertilized egg kept at 100.3 f is 23 days. suppose that the incubation times are
Among its various routes, a transit agency operates a trolley line. The line has a total of 18 trolley cars. Some of these cars are unavailable because they are being maintained or repaired.
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