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Kyra took the SAT whereas Rachel took the ACT. Both are college entrance exams. Kyra scored a 2200 on the SAT where the average was 1900 with a population standard deviation of 300. Rachel scored a 23 on the ACT where the average was a 24 with a population standard deviation of 2. If you were a college admissions officer, which of the following statements would you find true?
A) Rachel's Z score indicates that she is below average for those who took the ACT
B) Kyra would be a better academic choice than Rachel based on the test alone
C) Rachel was in the 30.85 percentile while Kyra was in the 84.13 percentile
D) A, B, and C
E) B and C
Assuming the population variances from both offices are equal, is there evidence of a difference in the mean waiting time between the two offices? Use α = 0.05
What are examples in which regression analysis is used for forecasting? What are some primary and secondary sources of data that may be used in correlation and regression analysis?
She then uses the mean and standard deviation of these values to estimate the mean value for all parts the operator is making. Construct a 95% confidence interval for the mean value assuming a normal distribution.
Choice of exponential smoothing constant w has little or no effect on forecast values using exponential smoothing.
Determine the probability that person's monthly gasoline (gallon) purchases will be less than 67 gallons.
According to Fortune, Missouri is within 500 miles of 44% of all U.S. manufacturing plants 8. If a Missouri company needs parts manufactured in 122 different plants, what is the probability that at least half of them can be found within 500 miles ..
Tired of careless spelling and grammar, a company decides to administer a test to all job applicants. The test consists of 20 sentences. Applicants must state whether each sentence contains any grammar or spelling errors.
A combination of content and supportive examples would be greatly appreciated.
Determine the relationships among data above? Analyze with charts/graphs/tables and a discussion.
Which of the following would produce a new confidence interval with smaller width based on these same data and produce a new confidence interval
Is there evidence that the population mean amount is different from 8.17 ounces? (Use a 0.05 level of significance and determine the p-value and interpret its meaning.
The managers of a brokerage firm are interested in finding out if the number of clients a broker brings into the firm affects the sales generated by the broker.
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