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Virty [35]
2 years ago
7

American football is the highest-paying sport on a per-game basis. Given that the quarterback is considered the most important p

layer on the team, he is typically well-compensated. A sports statistician examines the factors that influence a quarterback’s salary. He believes that a quarterback’s pass completion rate is the most important variable affecting salary. He also wonders how total touchdowns scored and a quarterback’s age might impact salary. The statistician collects data on salary (Salary in $ millions), pass completion rate (PC in %), total touchdowns scored (TD), and age for 32 quarterbacks during a recent season. A portion of the data is shown in the accompanying table.
Player Salary PC TD Age
1 25.5566 65.2 28 27
2 22.0441 60.5 27 26
⋮ ⋮ ⋮ ⋮ ⋮
32 0.6260 63.1 26 29

Click here for the Excel Data File

a. Estimate the model defined as Salary = β0 + β1PC + β2TD + β3Age + ε. (Round your answers to 2 decimal places. Negative values should be indicated by a minus sign.)




b. Interpret the slope coefficient attached to TD.

multiple choice
All else constant, a quarterback’s salary is expected to increase by approximately $790,000 for each additional touchdown.
A younger quarterback is expected to throw 79 touchdowns a season.
An older quarterback is expected to throw 79 touchdowns a season.
As a quarterback’s salary increases by $1,000,000, he is expected to throw 79 touchdowns a season, all else constant.


c. Player 8 earned 12.9895 million dollars during the season. According to the model, what is his predicted salary if PC = 70.6, TD = 34, and Age = 30? (Do not round intermediate calculations. Round final answer to 2 decimal places.)



d. Player 16 earned 8.0073 million dollars during the season. According to the model, what is his predicted salary if PC = 65.7, TD = 28, and Age = 32? (Do not round intermediate calculations. Round final answer to 2 decimal places.)




e-1. Compute the residual salary for Player 8 and Player 16. (Negative values should be indicated by a minus sign. Round final answer to 2 decimal places.)



e-2. Interpret the residual salary for Player 8 and Player 16.
Mathematics
1 answer:
vodka [1.7K]2 years ago
7 0

Answer:

wtfx

Step-by-step explanation:

asdadsasdds

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144
ahrayia [7]

Answer:

a³b < 0

Step-by-step explanation:

If a > 0 then a³ > 0

and b < 0

then

a³b → + × - → -

that is a³b < 0

8 0
3 years ago
If sv=38, su=26, and the perimeter of SUV is 102, what is the value of RU?
Finger [1]

Answer:

38

Step-by-step explanation:

Let SUV be a triangle

Perimeter of SUV = SU+SV + UV

102 = 38 + 26 + UV

102 = 64 + UV

UV = 102 - 64

UV = 38

Hence the length of UV is 38

8 0
2 years ago
Question : In the given figure , ∆ APB and ∆ AQC are equilateral triangles. Prove that PC = BQ.
lorasvet [3.4K]

Answer:

See Below.

Step-by-step explanation:

We are given that ΔAPB and ΔAQC are equilateral triangles.

And we want to prove that PC = BQ.

Since ΔAPB and ΔAQC are equilateral triangles, this means that:

PA\cong AB\cong BP\text{ and } QA\cong AC\cong CQ

Likewise:

\angle P\cong \angle PAB\cong \angle ABP\cong Q\cong \angle QAC\cong\angle ACQ

Since they all measure 60°.

Note that ∠PAC is the addition of the angles ∠PAB and ∠BAC. So:

m\angle PAC=m\angle PAB+m\angle BAC

Likewise:

m\angle QAB=m\angle QAC+m\angle BAC

Since ∠QAC ≅ ∠PAB:

m\angle PAC=m\angle QAC+m\angle BAC

And by substitution:

m\angle PAC=m\angle QAB

Thus:

\angle PAC\cong \angle QAB

Then by SAS Congruence:

\Delta PAC\cong \Delta BAQ

And by CPCTC:

PC\cong BQ

5 0
3 years ago
Read 2 more answers
the temperature started at 89°f. if the temperature went up 6°f and then down 12°f, how many degrees above or below the high is
Sonja [21]
The answer is 6 degrees below the high. 
89+6=95
95-12=83
4 0
3 years ago
87+56=____<br> (f r e e p o i n t s)<br> prolly gonna give brainliest
pogonyaev

Answer: 143

Step-by-step explanation:

Thanks for the free points

5 0
3 years ago
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