If i can have the chart filled out with work for myunderstanding. I would greatly appreciate it.
An agent for a residential real estate company in a large citywould like to be able to predict the monthly rental cost forapartments, based on the size of an apartment, as defined by squarefootage. The agent selects a sample of 25 apartments in aparticular residential neighborhood and collects the databelow.
Apartment        Monthly Rent ($)      Size (Sq.Feet)
      1                          950                              850
      2                       1,600                           1,450
      3                       1,200                           1,085
      4                       1,500                           1,232
      5                          950                              718
      6                       1,700                           1,485
      7                       1,650                           1,136
      8                          935                              726
      9                          875                              700
    10                      1,150                              956
    11                       1,400                           1,100
    12                       1,650                           1,285
    13                       2,300                           1,985
    14                       1,800                           1,369
    15                       1,400                           1,175
    16                       1,450                           1,225
    17                       1,100                           1,245
    18                       1,700                           1,259
    19                       1,200                           1,150
    20                       1,150                              896
    21                       1,600                           1,361
    22                       1,650                           1,040
    23                       1,200                              755
    24                          800                           1,000
    25                       1,750                           1,200
Excel output for this problem is given below:
SUMMARY OUTPUT | | | | | |
Regression Statistics | | | | | |
Multiple R | 0.850061 | | | | | |
R Square | 0.722603 | | | | | |
Adjusted R Square | 0.710543 | | | | | |
Standard Error | 194.5954 | | | | | |
Observations | 25 | | | | | |
ANOVA | | | | | | |
| df | SS | MS | F | Significance F | |
Regression | 1 | 2268777 | 2268777 | 59.91376 | 7.52E-08 | |
Residual | 23 | 870949.5 | 37867.37 | | | |
Total | 24 | 3139726 | | | | |
| Coefficients | Standard Error | t Stat | P-value | Lower 95% | Upper 95% | Lower 95.0% | Upper 95.0% |
Intercept | 177.1208 | 161.0043 | 1.1001 | 0.28267 | -155.941 | 510.1831 | -155.941 | 510.1831 |
Size | 1.065144 | 0.137608 | 7.740398 | 7.52E-08 | 0.78048 | 1.349808 | 0.78048 | 1.349808 |
4. At the 0.05 level of significance, is there evidence of alinear relationship between the size of the apartment and themonthly rent? Answer using the Excel output given above.