MATH 533 Applied Managerial Statistics (MATH533)

Math 533 Regression analysis (Statistical hypothesis)

Keller MATH 533 Regression Model Regression analysis : Sales versus Calls Correlation : sales, CALLS General regression Analysis

Question 6.2.4: A random sample of 89 observations produced a mean x̄ = 25.7 and a standard deviation s = 2.5. Question 6.5.67: A company wants to test a randomly selected sample of n water specimens and estimate the mean daily rate of pollution produced by a mining operation. If the company wants a 95% confidence interval estimate with a margin of error of 1.6 milligrams per liter (mg/L), how many water specimens are required in the sample? Assume prior knowledge indicates that pollution read...

MATH 533 Week 1 Homework Problems (Mystat Lab).MATH 533 APPLIED MANAGERIAL STATISTICS

MATH 533 Week 2 Homework Problems (MyStatLab).

Exam (elaborations) MATH 533 APPLIED MANAGERIAL STATISTICS - Week 5 Quiz Question 7.4.45-T: A professor at a local university conducted a survey of 135 business in a city to determine what motivates small business to export their products. The CEOs were asked to respond to the statement “Management believes that the business can achieve economics of scale be exporting” on a scale of 1 (strongly disagree) to 5 (strongly agree. Summary statistics for the n = 135 scale scores were reported as ...

Exam (elaborations) MATH 533 APPLIED MANAGERIAL STATISTICS - Week 4 Quiz Question 6.2.4: A random sample of 89 observations produced a mean x̄ = 25.7 and a standard deviation s = 2.5. Question 6.5.67: A company wants to test a randomly selected sample of n water specimens and estimate the mean daily rate of pollution produced by a mining operation. If the company wants a 95% confidence interval estimate with a margin of error of 1.6 milligrams per liter (mg/L), how many water specimens are re...

MATH 533 WEEK 3 QUIZ Question: The ages of a group of 50 women are approximately normally distributed with a mean of 47 years and a standard deviation of 6 years. One woman is randomly selected from the group, and her age is observed. Question: Almost all companies utilize some type of year-end performance review for their employees. Human Resource (HR) at a university Health Science Center provides guidelines for supervisors rating their subordinates. For example, raters are advised to examin...