Question

In: Statistics and Probability

A table of house pricing data is linked below. Use software to do further analyses with...

A table of house pricing data is linked below. Use software to do further analyses with the multiple regression model of y=selling price of home in​ thousands, x1=size of​ home, and x2=number of bedrooms. Then use this model to complete parts a through c below.

Data:

y_Price_($)   x1_Size_(sq_ft)   x2_Bedrooms
309900   3179   5
161700   1738   3
162100   1901   2
132100   996   1
210900   1676   2
170100   1662   2
189700   1396   2
286100   3627   4
304700   3961   5
252700   3395   5
120200   795   1
286600   3475   4
167800   1416   2
118200   1041   1
260900   2763   4

b. Report and interpret the t statistic and​ P-value for testing H0​: β2 = 0 against Ha​: β2 > 0.

t = 1.093

c. Report the p-value corresponding to this t statistic.

P-value = ____ (round to four decimal places as needed)

Solutions

Expert Solution

The analysis after feeding the data in MS Excel is presented here

SUMMARY OUTPUT
Regression Statistics
Multiple R 0.951938473
R Square 0.906186856
Adjusted R Square 0.890551332
Standard Error 22710.89266
Observations 15
ANOVA
df SS MS F Significance F
Regression 2 59786581586 2.99E+10 57.95692262 6.81683E-07
Residual 12 6189415747 5.16E+08
Total 14 65975997333
Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Lower 95.0% Upper 95.0%
Intercept 77122.51954 13691.46539 5.63289 0.000110228 47291.3791 106953.7 47291.38 106953.7
x1 41.68216976 17.80075999 2.341595 0.037277509 2.897645519 80.46669 2.897646 80.46669
x2 13964.54138 12781.74436 1.092538 0.296045333 -13884.48722 41813.57 -13884.5 41813.57

It can be seen that value of t statistic is 1.0925 and p value is 0.2960 (shown in bold above)


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