Suppose we wish to build a multiple regression model to predict the cost of rent (dollars) in a city based on population (thousands of people), and income (thousands of dollars). Use the alpha level of 0.05.
City | Monthly Rent ($) | 2018 Population (Thousands) | 2010 Median Income (Thousands of Dollars) |
Denver, CO | 998 | 586.158 | 45.438 |
Birmingham, AL | 711 | 212.237 | 301.704 |
San Diego, CA | 1414 | 1307.402 | 61.962 |
Gainesville, FL | 741 | 124.354 | 28.653 |
Winston-Salem, NC | 750 | 239.617 | 41.979 |
Memphis, TN | 819 | 646.889 | 36.535 |
Austin, TX | 900 | 790.39 | 51.236 |
Seattle, WA | 1219 | 618.66 | 58.99 |
Richmond, VA | 735 | 204.214 | 37.735 |
Charleston, SC | 812 | 120.083 | 47.799 |
College Park, MD | 1407 | 30.413 | 66.9 |
Savannah, GA | 789 | 136.286 | 32.778 |
Minneapolis, MN | 988 | 394.578 | 45.625 |
Detroit, MI | 650 | 713.777 | 29.447 |
Baton Rouge, LA | 827 | 229.493 | 35.436 |
1. Is the whole regression model effective in predicting the cost of rent? Use alpha of 0.1.
2. Write down the multiple regression equation using actual names of IVs and DVs.
3. What is the value of the estimated intercept? Interpret the value in terms of rent (dollars) based on population (thousands of people), and income (thousands of dollars).
4. What are the values of the estimated slope for the variable “Income”? Interpret the value in terms of actual names of IVs and the DV.
Suppose we wish to build a multiple regression model to predict the cost of rent (dollars)...
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