C207 Pre-Assessment Study Guide Rated A+

A manager uses a linear regression to examine how the store's retail sales are predicted by advertising expenditures. What will retail sales represent in this regression? {Ans: The dependent variable}a researcher wants to predict test scores based upon hours studying. What type of regression would be more appropriate. {Ans: logistic regression}A professional services firm wants to track and monitor important financial performance measures of the company (e.g., year-over-year change in revenues and profits). Which performance approach would best meet the company's objective {Ans: Results-based management}A manager of a call center is in charge of creating a staffing plan. The number of calls received per day is normally distributed. Which two statistics would be needed in order to estimate the number of calls that would be received 95% of the time? Choose 2 answers {Ans: Mean Standard deviation}In the month of December, there is a strong positive correlation between airline tickets and retail sales. Which question should the researcher consider before concluding that the correlation statistic implies that the airline sales drive retail sales? {Ans: Does a casual relationship truly exist}In what way does probability theory inform decision-making for managers? {Ans: quantifying risk}