MATH 302 WEEK 7 TEST | QUESTIONS AND ANSWERS | LATEST
2025/2026 UPDATE | 100% CORRECT - AMERICAN PUBLIC
UNIVERSITY
Written Sep 21, 2025 8:25 PM - Sep 21, 2025 9:47 PM
Attempt Score - 100 %
Overall Grade (Highest Attempt) - 100 %
Question 1 point
Which of the following equations are linear?
4y=8 y2=6x3+8
3y=6x+5y2 y-
x=8x2
Hide question 1 feedback
A linear equation is a linear line. If a problem has a squared or a cubed term, it isn't linear. It is a quadratic equation.
,Question 2 point
A vacation resort rents SCUBA equipment to certified divers. The resort charges an up-front fee of $25 and another fee of $12.50 an
hour. What is the independent variable?
fee amount
driver certification
time resort location
Hide question 2 feedback
The equation is
Dollars = $12.5(hour) + $25
Dollars depends on how many hours you use the equipment for.
Dollars is the dependent variable and time (in hours) is the independent variable.
Question 3 point
You decided to join a fantasy Baseball league and you think the best way to pick your players is to look at their Batting Averages.
You want to use data from the previous season to help predict Batting Averages to know which players to pick for the upcoming
season. You want to use Runs Score, Doubles, Triples, Home Runs and Strike Outs to determine if there is a significant linear
relationship for Batting Averages.
You collect data to, to help estimate Batting Average, to see which players you should choose. You collect data on 45 players to help
make your decision.
x1 = Runs Score/Times at Bat x2 =
Doubles/Times at Bat x3 =
, Triples/Times at Bat x4 = Home
Runs/Times at Bat x5= Strike
Outs/Times at Bat
Is there a significant linear relationship between these 5 variables and the Batting Average?
If so, what is/are the significant predictor(s) for determining the Batting Average?
See Attached Excel for Data.
Baseball data.xlsx
Yes,
Triples/Times at Bat, p-value = 0.291004037 > .05, No, Triples, are not a significant predictor for Batting
Average.
Home Runs/Times at Bat, p-value = 0.114060301 > .05, No, Home Runs are not a significant predictor for Batting Average.
Yes,
Runs Score/Times at Bat, p-value = 0.000219186 < .05, Yes, Runs Score is a significant predictor for Batting
Average.
Doubles/Times at Bat, p-value = 0.00300543 < .05, Yes, Doubles are a significant predictor for Batting Average.
Strike Outs/Times at Bat, p-value = 0.00000258892 < .05, Yes, Strikes Outs are a significant predictor for
Batting Average.
No,
Triples/Times at Bat, p-value = 0.291004037 > .05, No, Triples, are not a significant predictor for Batting Average.
Home Runs/Times at Bat, p-value = 0.114060301 > .05, No, Home Runs are not a significant predictor for Batting Average.
2025/2026 UPDATE | 100% CORRECT - AMERICAN PUBLIC
UNIVERSITY
Written Sep 21, 2025 8:25 PM - Sep 21, 2025 9:47 PM
Attempt Score - 100 %
Overall Grade (Highest Attempt) - 100 %
Question 1 point
Which of the following equations are linear?
4y=8 y2=6x3+8
3y=6x+5y2 y-
x=8x2
Hide question 1 feedback
A linear equation is a linear line. If a problem has a squared or a cubed term, it isn't linear. It is a quadratic equation.
,Question 2 point
A vacation resort rents SCUBA equipment to certified divers. The resort charges an up-front fee of $25 and another fee of $12.50 an
hour. What is the independent variable?
fee amount
driver certification
time resort location
Hide question 2 feedback
The equation is
Dollars = $12.5(hour) + $25
Dollars depends on how many hours you use the equipment for.
Dollars is the dependent variable and time (in hours) is the independent variable.
Question 3 point
You decided to join a fantasy Baseball league and you think the best way to pick your players is to look at their Batting Averages.
You want to use data from the previous season to help predict Batting Averages to know which players to pick for the upcoming
season. You want to use Runs Score, Doubles, Triples, Home Runs and Strike Outs to determine if there is a significant linear
relationship for Batting Averages.
You collect data to, to help estimate Batting Average, to see which players you should choose. You collect data on 45 players to help
make your decision.
x1 = Runs Score/Times at Bat x2 =
Doubles/Times at Bat x3 =
, Triples/Times at Bat x4 = Home
Runs/Times at Bat x5= Strike
Outs/Times at Bat
Is there a significant linear relationship between these 5 variables and the Batting Average?
If so, what is/are the significant predictor(s) for determining the Batting Average?
See Attached Excel for Data.
Baseball data.xlsx
Yes,
Triples/Times at Bat, p-value = 0.291004037 > .05, No, Triples, are not a significant predictor for Batting
Average.
Home Runs/Times at Bat, p-value = 0.114060301 > .05, No, Home Runs are not a significant predictor for Batting Average.
Yes,
Runs Score/Times at Bat, p-value = 0.000219186 < .05, Yes, Runs Score is a significant predictor for Batting
Average.
Doubles/Times at Bat, p-value = 0.00300543 < .05, Yes, Doubles are a significant predictor for Batting Average.
Strike Outs/Times at Bat, p-value = 0.00000258892 < .05, Yes, Strikes Outs are a significant predictor for
Batting Average.
No,
Triples/Times at Bat, p-value = 0.291004037 > .05, No, Triples, are not a significant predictor for Batting Average.
Home Runs/Times at Bat, p-value = 0.114060301 > .05, No, Home Runs are not a significant predictor for Batting Average.
