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1. A larger firm is considering acquiring the bookstore of Exercise 1. An analyst for the firm, noting the relationship seen in Exercise 1, suggests that when they acquire the store they should hire more people because that will drive higher sales. Is his conclusion justified? What alternative explanations can you offer? Use appropriate statistics terminology.
2. A study finds that during blizzards, online sales are highly associated with the number of snow plows on the road; the more plows, the more online purchases. The director of an association of online merchants suggests that the organization should encourage municipalities to send out more plows whenever it snows because, he says, that will increase business. Comment.
Find the probabilities of events and results of a large experimental study researchers modeled the wild and mutant cell growth
How likely is it that the store owner will make at least $7,000 if she implements your suggestion?
Does your computed value of v exceed v0? If so, you should reject the hypothesis that the contestants' choices are uniformly distributed - compute the leading digits of the first 100 powers of 2, and see how well these data fit the Benford distributi..
Given that the sample mean is x¯=93.81, and the sample standard deviation is s=4.65, determine if there are any outliers. (We will define an outlier to be any data value outside of the x¯+_2s range.)
Develop a forecast for year 6, using two-year moving average and trend analysis. Identify which method is most appropriate for this data set
You are conducting a one-tailed or two-tailed test? Explain with an example and also state the Null and the Alternative hypothesis for the example in symbolic form.
If, on the average, 20 orders are received by fax every two hours throughout the day, find the a. probability that a faxed order will arrive within the next 9 minutes.
Jolt agrees to replace any connector that fails within 19 months. Out of 500 connectors sold, how many does Jolt expect to replace on average?
A sample of employees at a large chemical plant was asked to indicate a preference for one of three pension plans. The results are given in the following table.
A survey showed that 24% of college students read newspapers on a regular basis and that 81% of college students regularly watch the news on TV. The survey also showed that 21% of college students both follow TV news regularly and read newspapers ..
Results show access to health care was increased at p
a lawyer researched the average number of years served by 45 different justices on the supreme court. the average
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