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1. American Express has access to the spending habits of its cardholders. How may it use this information to improve customer satisfaction? How may its retail customers use this information?
2. Customer satisfaction is of importance to management. Discuss customer needs in the context of internet service providers (ISPs) and their degree of importance.
3. In the context of a health care organization, explain why it is important to know not only the needs of the customers but also their relative importance.
What is the standard error of estimate? Interpret it’s value, . Describe how well the memory test scores and length of television commercial are linearly related
a businessweek north american subscriber study collected data from a sample of 2861 subscribers. fifty-nine percent of
The rate of neurotoxicity over the period of the trial is estimated to be about 40% in the placebo group, and the hypothesis is that this new agent lowers the toxicity rate by one-half, to 20%. Find the total sample size needed using a two-sided l..
when a survey calls residential telephone numbers at random only 25 of the calls reach a live person. you watch the
What amount the investor receives / pays on different days? Explain the outcome of the contract explaining the theoretical concepts of the different steps.
determine if this statistical study is descriptive or inferentiala study finds that the median household income in the
Forty-eight male bank supervisors were each given the same personal file and asked to judge whether the person should be promoted to a branch manager job that was described as "routine", or the file held and other applicants interviewed.
Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P- value using a= 0.05. Is there sufficient evidence to conclude that there is a linear correlation between systolic measurement and diastolic measuremen..
Modern aircraft engines are very reliable. One feature contributing to that reliability is the use of redundancy, where critical components are duplicated so that if one fails, the other will work.
A single test on a certain device costs more than the entire lot. It is therefore decreed that not more than three tests will be performed per lot.
Describe the five steps of hypothesis testing. Compare Type I and Type II errors and give specific examples for each. Which error should be minimized the most and first?
The lapping process, which is used to grind certain silicon wafers to the proper thickness, is acceptable only if 'sigma', the population standard deviation of the thickness of dice cut from the wafers, is at most 0.50 mil.
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