a) We can use excel to draw scatter plot , Select the both data sets ( excluding headings and go to Insert menu -->Charts --> select Scatter plot )
Because we are predicting the monthly rent (Y) based on size (X), first make column(A) for size and then column(B) for rent.
Answer : option D)
b) Lease square regression equation.
Y = b0 + b1 *x
Or Monthly rent = b0 + b1 * Size
b0 is Intercept , we can find intercept using excel function =INTERCEPT( Y data set column range, x data set column range)
b1 is Slope , we can find intercept using excel function =SLOPE( Y data set column range, x data set column range )
Therefore , b0 = 120.7 and b1 = 1.0
Equation of regression line is ,
Monthly rent = 120.7 + 1.0* Size
c)
Interpretation of slope b1 = 1.0 and b0 = 120.7
Option c) For each increase of 1 square foot in space, the monthly rent is expected to increase by b1 dollars.
Apartments in the neighborhood cost at least b0 dollars.
d) We are given Size (X) = 1000 , and we are asked to predict Monthly rent (y)
Monthly rent = 120.7 + 1.0* 1000 = 120.7 + 1000
Monthly rent = 1121
e) Option B) An apartment with 500 square feet is outside the relevant range for the independent variable ( Size )
f) We are given Monthly rent =1275 for size =1000 ,
Using regression equation For size = 1000 Monthly rent = 1121
Therefore residual = Y – = 1275 – 1121 = 154
For size = 1200 , we are given Monthly rent =1425
Using regression equation For size = 1000,
Monthly rent = 120.7+(1.0*1200) = 1321
Therefore residual = Y – = 1425 – 1321 = 104
So apartment with size = 1200 and Monthly rent = 1425 has less residual
Therefore the apartment with size 1200 square feet is the better deal.
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An agent for a residential real estate company in a suburb located outside a major city has the business objective of developing more accurate estimates of the monthly rental cost for apartments. Toward the goal, the agent would like to use the size of an apartment, as defined by square footage to predict the monthly rental cost. The agent selects a sample of 8 one-bedroom apartments and the data are shown. Complete parts (a) through (f). mathxl.com An Agent For...
Score: 1.6 of 4 pts 8 of 10 (10 complete) HW Score: 64.05%, 25.62 of 40 x 12.3.21-T :s Question Help An agent for a real estate company in a large city would like to be able to predict the monthly rental cost for apartments, based on the size of the apartment, as defined by square footage. A sample of eight apartments in a neighborhood was selected, and the information gathered revealed the data shown below. For these data, the...
how to find the b0 through excel An agent for a residential real estate company in a suburb located outside a major city has the business objective of developing more accurate estimates of the monthly rental cost for apartments. Toward the goal, the agent would like to use the size of an apartment, as defined by square footage to predict the monthly rental cost. The agent selects a sample of a one-bedroom apartments and the data are shown. Complete parls...
please help me answer these questions completley and obviously. I depend on it. thank you An agent for a real estate company in a large city would like to be able to predict the monthly rental cost for apartments, based on the size of the apartment, as defined by square footage. A sample of eight apartments in a neighborhood was selected, and the information gathered revealed the data shown below. For these data, the regression coefficients are bo =309.0128 and...
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Colects data on houses that have sold in a perticular neighborhood over the past year and o n the table shown below d Suppose that a researcher c regression results i Regressor Size (0.0c0039) 0.70 0.6 0.73 0.70 in( Siuze) (0.058) (0.088)(2.05) (.056) 0.0081 10.17) 0.0042 (0 041) 0.087 0075 0091 0084 0.082 (0 034) (0.03) (003) (0038) (0.035) 0.028 Pool 0.039 0.028 0028 0028 View (0.032) (0033) (0.028) (0031) (0.032) 0.0027 Pool x View (0.12) 0.150.16 0.14 0.19 (0.046)...
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