Charlie rented a moving truck. He paid a daily fee plus a per-mile fee to rent the truck. The equation below represents the daily amount Charlie paid for the truck if he drives it x miles. y=0.5x+10 What does the slope of the graph of this equation represent?

The per-mile fee for the moving truck

The daily fee for the moving truck

How much Charlie paid for the truck

Which sentence describes the relationship shown on this scatterplot?

As the temperature increases, the number of visitors increases.

As the temperature decreases, the visitors increase.

As the visitors increase, the temperature decreases.

Which of the following statements shows a relationship that is correlated but not causal?

As a child's weight increases so does her vocabulary.

The amount of rainfall received and level of water in the lake.

The number of lights left on each day and the amount of the electric bill.

The number of hours worked and how much money is made.

Some data were collected on the weight of a male white laboratory rat for the first 25 weeks after its birth. The linear regression equation is weight^=100 + 40(time). Which is the best description of the slope for this regression equation in context of the problem?

The slope is 40 grams/week which means the mouse gains about 40 grams per week after birth.

The slope of the line of regression is the time since birth of the rate. It demonstrates the predicted weight of a laboratory rate after so many months since birth.

The slope is 40 and it means for every increase in weeks the graph will increase.

The slope is 40, which tells us the line increases.

Interpret the slope of the equation

As hours increases by one, income will increase by 31.45, on average

Income increases by 31.45 with each additional hour worked.

As hours increases by one, income will increase by 31.45

Which is the best description of the y - intercept for the linear regression equation of the rats: weight^ = 100 + 40(time)?

The y-intercept is 100 which means the rat is predicted to weigh about 100 grams at birth.

The y-intercept is about 100, which is where the graph crosses the y-axis.

About 100 is where the data starts on the y-axis.

The y-intercept is about 40g. Indicating a significant amount of growth since birth.

Regression Lines of Fit

Authored by Barbara White

Mathematics

9th - 10th Grade

30 Questions

CCSS covered

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MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Rich is a member of a gym. He pays a monthly fee plus a per-visit fee. The equation below represents the monthly amount Rich pays for his membership to the gym per month for x visits.
y=3x+10
What does the y-intercept of the graph of this equation represent?

The monthly fee

How much Rich pays per visit

The number of times Rich goes to the gym

The total cost at the end of the month

Tags

CCSS.HSF.LE.B.5

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How many minutes she was on the phone

What Tara pays per minute

Tara's base fee for her phone service

How much Tara owes at the end of each month

Tags

CCSS.8.EE.B.5

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

0 lbs

1 lb

2 lbs

6 lbs

Tags

CCSS.8.EE.B.5

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which of the following could be a possible line of best fit for the data?

y = -5/2x + 20

y = -x + 19

y = x + 20

y = 2/3x + 15

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which statement describes the trend in the scatter plot below?

as PDSI increases, the temperature decreases

as PDSI increases, the temperature increases

no relationship between PDSI and temperature

as PDSI decreases, the temperature decreases

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which scatter plot shows a linear relationship between x and y?

Graph A

Graph B

Graph C

Graph D

Tags

CCSS.8.F.A.3

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is a line of best fit used for?

To make predictions

To make the graph look pretty

To connect the points

To make it look like you know what you are doing

Tags

CCSS.8.EE.B.5

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Regression Lines of Fit

Rich is a member of a gym. He pays a monthly fee plus a per-visit fee. The equation below represents the monthly amount Rich pays for his membership to the gym per month for x visits.
y=3x+10
What does the y-intercept of the graph of this equation represent?

Which of the following could be a possible line of best fit for the data?

Which statement describes the trend in the scatter plot below?

Which scatter plot shows a linear relationship between x and y?

What is a line of best fit used for?

What type of correlation does this graph have?

What type of correlation does this graph have?

The equation of the trend line is y= 1/2x +1
How many laps can a bicycle make around the park in 23 minutes?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Regression Lines of Fit

Rich is a member of a gym. He pays a monthly fee plus a per-visit fee. The equation below represents the monthly amount Rich pays for his membership to the gym per month for x visits.y=3x+10What does the y-intercept of the graph of this equation represent?

Which of the following could be a possible line of best fit for the data?

Which statement describes the trend in the scatter plot below?

Which scatter plot shows a linear relationship between x and y?

What is a line of best fit used for?

What type of correlation does this graph have?

What type of correlation does this graph have?

The equation of the trend line is y= 1/2x +1How many laps can a bicycle make around the park in 23 minutes?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Rich is a member of a gym. He pays a monthly fee plus a per-visit fee. The equation below represents the monthly amount Rich pays for his membership to the gym per month for x visits.
y=3x+10
What does the y-intercept of the graph of this equation represent?

The equation of the trend line is y= 1/2x +1
How many laps can a bicycle make around the park in 23 minutes?