Question 1 (1 point)
A scatterplot shows several points with number of hours watching TV versus weekly wages. The researcher came up with the following equation for the trendline.

Weekly wages = -50.755*(hours of TV watched) + 180.

What is the significance of the slope in the context of this model?

Question 1 options:

The amount of TV someone watches does not impact the money they earn. It will stay the same no matter what.


The more TV someone watches, the less money they will earn.


The more TV someone watches, the more money they will earn.

Question 2 (1 point)
An economist creates a scatter plot comparing years of experience to yearly salary (in dollars) at a particular company. The trend line through the data can be described by the equation y = 8,000x + 40,000.

What is the initial value and what does it mean?

Question 2 options:

40000; For their every year of experience an employee has, their salary goes up by this amount.


8000; For their every year of experience an employee has, their salary goes up by this amount.


40000; Regardless of how much experience an employee has, this is the minimum amount the employee will earn at this company.


8000; Regardless of how much experience an employee has, this is the minimum amount the employee will earn at this company.Which is the best description for this scatterplot?

Question 3 options:

None of these


Positive nonlinear association


Negative linear association


Positive linear association

Question 4 (1 point)
An economist creates a scatter plot comparing years of experience to yearly salary (in dollars) at a particular company. The trend line through the data can be described by the equation y = 4,000x + 20,000.

If someone has a yearly salary of $72,000, to the nearest whole year, how many years of experience do they have?

Question 4 options:

228


13


2


8