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perform a basic linear regression. Please be aware of the very strict data requirement for running linear regression:
Assume a spring constant of 1, and write a program to determine the moment about the elbow as a function of alpha.
For each of the following studies, say whether you would use a t test for dependent means or a t test for independent means.
Did the authors use the correct statistical test? In other words, what was their rationale for using test
Identify the economic order quantity and consider the impli- cations for making an error in calculating economic order quantity.
Construct a 98% confidence interval for the mean amount of money spent per graduation gift in 2007. (Round your answers to three decimal places.)
An example of a multivariate procedure is analysis of covariance (ANCOVA). Explain what is meant by the following statement: ANCOVA offers post
Research and describe 5 data collection techniques in your own words. You must Be sure to cite any sources you used in APA format.
Explain the various means available to you for gathering data on the topic you have chosen.
When collecting data, it is important to be aware of the types of data being collected for further analysis:
The "Weight before" is the baseline weight of each person before starting the diet. The "Weight after" is the weight of each person after completing the diet.
Include at least two (2) sources of data (charts, data, statistics, etc.)
What overall fraction of switches can be expected to fail during final testing? (Use a tree diagram to support all of your answers)
A discussion of the types of secondary data you could use to test your hypothesis, and why this data would be useful. If secondary data would not be appropriate
A business school is considering replacing its copy machine with-a faster model. Past records show that the average student arrival rate is 24 per hour.
Worker is unable to calibrate a machine properly due to insufficient training, result in number of non-conforming tasks. This is example of assignable cause
A spindle with specifications 20 ± 0.05 mm was machined in a lathe. The standard deviation of the spindle machined was found to be 0.25 mm.
Then, develop a literature review (annotated bibliography) with a minimum of 10 references that will begin the research for your research project.
What is the overall average of these means? What is the average range? Does this process appear to be in control? Explain.
Your company turns manure into compost.You kept raising your price and at $120 per truckload of compost you sold nothing.At $40 per truckload of compost
Suppose it is known that 45% of the population are Coalition voters, 45% are ALP voters, and 10% vote for Greens.
How does the research build upon findings of earlier studies? In discussing how theory relates X to Y, existing studies that reinforce the relationship
For the events A and B, if (A'nB') = Ø , then the events are exhaustive.(True or false)
Suppose that X and Y are random variables such that E(X) = 4, E(Y) = 2 and var(X) = var(Y) = 4. Let Z=X+Y. 1. Find E(Z) (1 dp)
A continuous random variable X has a uniform distribution over the interval (-k, 3k), where k is some number. The height of the PDF over this interval is .05.