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Explain the general rationale behind using a z-score for describing how an individual performed on an exam compared to just stating the overall mean and the individual's score. How does the information differ in the two situations? What additional information are you gaining with a z-score?
Imagine you are in charge of reviewing applications for your academic institution. As a preliminary measure, you want to review only the top 25% of applicants on the basis of standardized test scores. How does calculating the z-score provide additional information regarding how each subject did overall? Provide specific examples of how you would use the information and interpret the scores.
Develop a forecast for year 6, using two-year moving average and trend analysis. Identify which method is most appropriate for this data set
1. jon works as a sanitation engineer for a zoo. every day he goes to work he feels like he is shoveling a great
q1. a small town has a population of 20000 people. among these 1000 regularly visit a popular local bar. a sample of
1.a scientist examined the effect of temperature and catalyst on the yield of a reaction. he ran the experiment at both
The American Sugar Producers Association wants to estimate the mean yearly sugar consumption. A sample of 16 people reveals the mean yearly consumption to be 60 pounds with a standard deviation of 20 pounds.
Iif the person scores in the upper 6 percent of the distribution. What is the lowest score a college graduate must earn to qualify for a responsible position?
Discuss how accurate you believe these results are using information related the regression models.
A patient is tested for TB at a medical clinic
scatter plot correlation coefficient and regression equation.do a complete regression analysis by performing the steps
How large a sample should be selected in order to estimate the population proportion to within a margin of error of 0.02 with 97% confidence. The sample proportion from the preliminary sample was 0.18.
sampling variability and standard errorproblem 1people in a large population average 60 inches tall.nbsp you will take
What are the estimated monthly sales for a particular region with a population of 796,000, per capita income of $6,940, and an unemployment rate of 6.0 percent?
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