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Question: Aluminum and Alzheimers Disease.
The relatives of a man recently diagnosed with Alzhcimers disease are suing a company that sells drinks in aluminum cans claiming damages. They say that the man consumed 1-2 of these drinks per day and the cans contained no warning that the aluminum from the can could be absorbed into the drink and cause Alzheimers disease. They call an expert witness who states "there are numerous studies in the medical literature showing an increased level of aluminum in the brains of patients with Alzheimers disease. These aluminum deposits arc in the precise area of the brain affected by the disease. There is a clear link between aluminum and this terrible disease." You are called as an expert witness for the drinks manufacturer.
(a) What would you say to the court?
(b) In what way is your testimony consistent with the ASA guidelines on ethics?
(c) How do the ASA guidelines on ethics apply to the testimony of the expert witness for the other side?
Quarterly customer surveys are taken at a medical center. Each individual department has scores and is comparted to the medical center average. Department of Physical Therapy had scores of 9.14, 9.19 and 7.75 for quarters 1-3 respectively.
part -1make sure you read the output carefully. this output pertains to a set of juvenile court data looking at the
Assume that z is the test statistic and calculate the value of z∗ for testing the null hypothesis
A recent study by a large retailer designed to determine whether there was a relationship between the importance a store manager placed on advertising and the size of the store revealed the following sample information:
Explain the difference between a discrete and a continuous random variable. Give two examples of each type of random variable.
Describe the advantages and disadvantages of quasi-experiments? What is the fundamental weakness of a quasi-experimental design? Why is it a weakness? Does its weakness always matter?
46. thirty percent of the population in a southwestern community are spanish-speaking americans. a spanish-speaking
Suppose we have a population of scores with a mean = 200 and a standard deviation = 10. Assume that the distribution is normal. Provide answers to the following questions:
Are all the events in this distribution mutually exclusive? Describe in detail.
Please use the five-step process for hypothesis testing. The Connecticut Board of Education is concerned that first year female high school teachers are receiving lower salaries than their male counterparts.
The lifetime of a disk drive head is normally distributed with a population mean of 1000 hours and a standard deviation of 120 hours. Determine the probability that the lifetime for 9 disk drives will exceed 940 hours.
A random variable has the density curve as in the graph below. Find The height of the density curve?
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