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##### BS350 week 4 assignment

**Description**

solution

**Question**

Question;Chapter 4 Assignment;Answer these questions directly on this;document. You will submit two files for your assignment: this document, plus;your regression results in Excel. Do not put answers to the questions in your Excel file.;1. The Hospital Data tab of the Chapter 4;Assignment Data spreadsheet contains information on the total expenses of;hospitals and the number of admissions in those hospitals. Perform a regression;on this data with total expenses as the Y variable, and answer the following;questions.;(a) Find the equation that relates total expenses;(Y) to number of admissions (X).;(b) Predict the total expenses of a hospital with 90,000;admissions.;(c) Find SST: SSE: SSR: and MSE;(d) Find the coefficient of determination, and;interpret what this value means in the context of this hospital data.;(e) Find the significance of F. Based on this;value, is our model statistically significant at the 5% level? Is there a;relationship between total expenses and number of admissions?;2. The Housing Data tab of the Chapter 4;Assignment Data spreadsheet contains information on the sales prices of houses;their square footage, and their age. Perform a regression on this data with;sales price as the Y variable, and answer the following questions.;(a) Find the equation that relates sales price (Y);to square footage (X1) and age (X2).;(b) Estimate the sales price of a home with square;footage 2,000 and age 20.;(c) Find the coefficient of determination, and;interpret what this value means in the context of this housing data.;(d) Find the significance of F. Based on this;value, is our model statistically significant at the 5% level?;(e) Find the p-value for square footage and the;p-value for age. At the 5% level, is square footage alone a statistically;significant variable in determining sales price? Is age alone a statistically;significant variable in determining sales price? Explain how you know.

Paper#61914 | Written in 18-Jul-2015

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