Case 4 – House Price. A small data set contains information on House Price (Y) in dollars, as well as predictors: number of Cars
the garage can hold (X1), the Age of the house in years (X2), and the number of Rooms in the house (X3). Consider the regression output below and determine the missing values A through F. Dependent variable is: Price R squared = AAAA R squared (adjusted) = 57.3% s = BBBB with 22 - 4 = 18 degrees of freedom Source Sum of Squares df Mean Square F-ratio Regression 6892069096 DDDD 2297356365 CCCC Residual 3975520758 18 220862264 Variable Coefficient s.e. of Coeff t-ratio prob Constant -26737.5 21074 -1.27 0.2207 Cars 6185.10 6640 0.932 0.3639 Age -333.303 757.8 EEEE FFFF Rooms 11154.6 2524 4.42 0.0003
KEY:
(A) = 63.4%
(B) = 14861
(C) = 10.4
(D) = 3
(E) = –0.44
(F) = 0.66
KEY:
(A) = 63.4%
(B) = 14861
(C) = 10.4
(D) = 3
(E) = –0.44
(F) = 0.66
1 answer:
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<h3>Answer:</h3><h3>Two possible smallest and largest angles are 11.78° and 78.22°.</h3>
Step-by-step explanation:
Minigolf ball will follow a trajectory to get into the hole.
Since range of a trajectory is calculated by the formula,
Where u = initial speed of the ball
θ = angle between the hole and direction in which the ball has been projected
g = gravitational pull
Now we plug in the values in the formula,
sin2θ =
2θ =
2θ = 23.57° or 156.43°
θ = 11.78° or 78.22°
Hence two possible smallest and largest angles are 11.78° and 78.22°.