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A market researcher wants to study the television viewing habits of a particular small city. A sample of 40 adult residents is asked to record their television viewing in one week. The results are:
Viewing time: = 15.3 hours, S = 3.8 hours.
27 respondents watched the evening news every weeknight.
Suppose that a national census later finds that the national average amount of television watched by adults is 16.1 hours per week, and that 48.7% watch the national news every weeknight. In what ways, if any, does this particular city differ from the nation as a whole in its viewing habits? Justify your answer?
Sample without replacement when testing batches of products. When sampling without replacement, should you use the multiplication rule for independent or dependent events.
If 134 out of a random sample of 235 college students expressed an intent to vote, can we reject the aide's estimate at the 0.05 level of significance? Perform a one-tailed test.
the probability of getting a defective widget is .10. you select five widgets for the national widget championship.a.
Run a Monte Carlo simulation 1000 trials for the following distribution. Determine the mean and standard deviation of the simulated distribution.
a pharmaceutical company wants to test the effectiveness of their new chronic pain drug. they give one group of 35
Was nineteenth-century globalization merely an extension of European imperial and industrial expansion, or did it reflect unique developments within other societies globally? Use secondary sources and at least FIVE (5) primary documents.
Results sufficient to conclude that the self-hypnosis has a significant effect? Assume that increasing and decreasing allergic reactions are equally likely if the training has no effect. Use a = .05.
Use the contingency table to find the probability that a randomly selected student (1) Has a Mastercard or a VISA (2) Has neither credit card.
If the standard deviation of the population is 9 hours, determine whether there has been a significant increase in battery life expectancy.
What is the variance of the Poisson distribution with the mean lambda?
Suppose in a population of 100,000, the probability that an individual will die from bird flu in a given winter is .00009. If the data fits a Poisson distribution, then the mean number of people in that population that will die from bird flu in on..
Given the following observations in a two-way classification with a = 3, b = 4, and c = 2, compute the F-statistics used to test that all interactions are equal to zero (Y u = 0), all column means are equal (/Jj = 0), and all row means are equal (a:;..
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