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Based on what we know about statistics and using your example, how do you believe statistics can enrich and represent the results of a study? How can statistics be used to misrepresent the results of a study?
With these thoughts in mind:
Write an example, a description of how you believe statistics can enrich and represent the results of a study, and an explanation of how statistics can be used to misrepresent the results of a study.
A random variable has a standard deviation of 16, and an unknown mean. Find the lowest size of a simple random sample so that the sample mean estimates the population mean with a standard error no larger than 0.25.
If random samples of size of 75 is selected, the standard error of the proportions of student in the sample, who are minority students is
Develop a decision tree for the case of a company operating at full capacity and with product demand rising. The choice is between new equipment and overtime.
If the least squares equation for sales data going from 1984 to 1990 is Y1 = 10 + 1.3X (in $ millions) found using the coded method, what is the plot on the straight line for 1988? (x and y values)
In a class of 40, 16 driver a car made outside the United States. What is the confidence interval for the total population of students at the 95% level?
A manufacturing process makes items whose weights are normally distributed. It is known that 22.57% of all the items made weigh between 100 grams up to mean and 49.18% weigh from the mean up to 190 grams. Find out the standard deviation.
Construct a 99% confidence interval for the population mean tread wear for this type of tire.
Trevor is interested in purchasing the local hardware/sporting goods in the small town of Dove creek, Montana. After examing accounting records for the past several years
What was the highest score earned on the exam? According to Chebyshev's Theorem, how many students scored between 42 and 74?
The Bureau of Labor Statistics reported that the average annual income of dentists in the year 2005 was $110,000. A sample of 81 dentists, which was taken in 2006,
Discuss the purpose of transforming raw scores into standard scores. Describe what "normal distribution" means. Describe measures of variability and explain how they can help therapist understand assessment data.
Distinguish the various observational study designs and the randomized controlled trial with regard to validity and feasibility.
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