Use MegaStat or MINITAB to generate 95 percent confidence and prediction intervals for various X-values.
Answer to relevant QuestionsA study of the role of spreadsheets in planning in 55 small firms de fined Y = "satisfaction with sales growth" and X = "executive commitment to planning." Analysis yielded an overall correlation of r = .3043. Do a ...In the following regression, X = monthly maintenance spending (dollars), Y = monthly machine downtime (hours), and n = 15 copy machines. (a) Write the fitted regression equation. (b) State the degrees of freedom for a ...Simple regression was employed to establish the effects of childhood exposure to lead. The effective sample size was about 122 subjects. The independent variable was the level of dentin lead (parts per million). Below are ...Adult height is somewhat predictable from average height of both parents. For females, a commonly used equation is YourHeight = ParentHeight – 2.5 while for males the equation is YourHeight = ParentHeight + 2.5. (a) Test ...A regression model to predict the price of a condominium for a weekend getaway in a resort community included the following predictor variables: number of nights needed, number of bedrooms, whether the condominium complex ...
Post your question