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Develop a 1,050-word report in which you:
• Identify the types of descriptive statistics that might be best for summarizing the data, if you were to collect a sample.
• Analyze the types of inferential statistics that might be best for analyzing the data, if you were to collect a sample.
• Analyze the role probability or trend analysis might play in helping address the business problem.
• Analyze the role that linear regression for trend analysis might play in helping address the business problem.
• Analyze the role that a time series might play in helping address the business problem.
How have statistics been used inappropriately and what are some examples of when you have seen or heard statistics used inappropriately?
Jen's dog broke off her six-inch-long pencil at a random point on the pencil. Find the density function and the expected value of the ratio of the lengths of the shorter piece and the longer piece of the pencil.
In an experiment on a new drug to determine the most effective dosage and method of administration, subjects were randomly assigned to either 5, 10, 15, or 20 mg of the active drug.
Would you use a one-tailed or two-tailed test? Explain your response.
The average salary of managers in the advertising industry is $180,000 per year. Suppose we would like to take a sample of managers at a new company ABC
Inventories represent a considerable investment for every organization; thus, it is important that they be managed well. Excess inventories can indicate poor financial and operational management.
Suppose a new weight loss program was sponsored by the local health and fitness club in a small town. The program claims to make people lose more than five pounds in a month. Twelve participants were selected and their weights were recorded.
redundant array of inexpensive disks is a technology that uses multiple hard drives to increase the speed of data
professor alpha and beta both teach statistics. the following table shows the distribution of their final grades. we
The same researcher wishes to estimate the proportion of executives who own a car phone. She wants to be 90% confident and be accurate within 5% of the true proportion. Find the minimum sample size necessary
From Data Set VI in Appendix B, select a sample of 20 values and find the 90% confidence interval or the mean of the number of acres. Find the mean of all values, and determine if the confidence interval contains the mean.
use graphical sensitivity analysis to determine at what probability you are indifferent to d1 and d2?state of
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