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Two automatic dispensing machines are being considered for use in a fast-food chain. The first dispenses an amount of liquid that has a normal distribution with a mean of 11.9 ounces and a standard deviation of 0.07 ounces. The second dispenses an amount of liquid that has a normal distribution with a mean of 12.0 ounces and a standard deviation of 0.05 ounces. Acceptable amounts of dispensed liquid are between 11.9 and 12.0 ounces. Calculate the relevant probabilities and determine which machine should be selected.
Is there evidence of violations of the usual ANOVA assumptions of equal variances and normal populations? Set up and perform appropriate TESTS at the α = 0.05 level of significance.
Formulating null and alternative hypothesis to test the claim averaging about $5000.
Define mixed method research and describe its strengths. Provide an example of when it is appropriate to apply mixed method research in the human services field. Summarize how scientifically sound research supports the function of a human services..
When is a factorial ANOVA used? Give Example. When is a chi square test appropriate? Give Example. When does linear regression versus multiple regression apply? Give Example.
Question: If the regression line is drawn as Y = C + 1075x, when X was 2 and y was 239, given that the intercept was 11. Calculate the residual
What are the inequalites that define the region in the first quadrant. How about 2nd, 3rd and 4th quadrants?
An insurance company has gathered the following information regarding the number of accidents reported per day over a period of 100 days.
Sample mean varies from population mean of 10 pounds at 5 percent level of significance using two-tailed test. Compute test statistic for the sample data.
Use Chebyshev's theorem to find what percent of the values will fall between 120 and 150 for a data set with mean of 135 and standard deviation of 7.5
A population of data from a paper supply company is known to have a mean weight of 55 ounces per ream and a population standard deviation of 5 ounces. The population is known to be bell shaped and symmetrical. Which of the following statements is ..
The sample mean is 2.59 and the sample standard deviation is .66. Conduct the following test using 95% level of confidence. Z-test for Unpaired data.
Brief description of the real-world situation or problem you selected to address, the independent and dependent variables you would study
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