Podcast
Questions and Answers
What does a scatterplot with a positive correlation indicate?
What does a scatterplot with a positive correlation indicate?
Positive correlation
Which equation represents the line of best fit for the two marked points on a scatterplot?
Which equation represents the line of best fit for the two marked points on a scatterplot?
y=x-1
What function can be used to model a population that increases by 2.5% annually?
What function can be used to model a population that increases by 2.5% annually?
f(t) = 1.025t + 53, 792
Which expression shows the animal population after doubling every month for 3 months starting with 20 animals?
Which expression shows the animal population after doubling every month for 3 months starting with 20 animals?
Signup and view all the answers
Describe the association shown in the scatterplot of age and sale price of used motorcycles.
Describe the association shown in the scatterplot of age and sale price of used motorcycles.
Signup and view all the answers
What does a scatterplot with no correlation suggest?
What does a scatterplot with no correlation suggest?
Signup and view all the answers
What type of trend is shown in a scatterplot if y increases as x decreases?
What type of trend is shown in a scatterplot if y increases as x decreases?
Signup and view all the answers
What type of trend is shown in a scatterplot if y decreases as x increases?
What type of trend is shown in a scatterplot if y decreases as x increases?
Signup and view all the answers
Identify the type of trend that would BEST model the set of data in the scatterplot.
Identify the type of trend that would BEST model the set of data in the scatterplot.
Signup and view all the answers
Which equation represents the line of best fit in the scatterplot: y = x + 5, y = x - 5, y = 2x + 5, y = 2x - 5?
Which equation represents the line of best fit in the scatterplot: y = x + 5, y = x - 5, y = 2x + 5, y = 2x - 5?
Signup and view all the answers
Based on the scatterplot of the number of pages read vs. hours spent reading, what statement is likely true?
Based on the scatterplot of the number of pages read vs. hours spent reading, what statement is likely true?
Signup and view all the answers
What type of trend is shown in a scatterplot if there is no clear pattern or relationship between the variables?
What type of trend is shown in a scatterplot if there is no clear pattern or relationship between the variables?
Signup and view all the answers
What does the expression 300,000(1.008)^x represent in the context of the problem?
What does the expression 300,000(1.008)^x represent in the context of the problem?
Signup and view all the answers
In the expression 200(1 + .08)^n, what does the number 200 represent?
In the expression 200(1 + .08)^n, what does the number 200 represent?
Signup and view all the answers
Is the problem of the population of a town decreasing at a rate of 2.5% per year an example of linear, exponential, or neither change?
Is the problem of the population of a town decreasing at a rate of 2.5% per year an example of linear, exponential, or neither change?
Signup and view all the answers
What type of change does the scenario of a bank account starting with $10 and tripling each month represent?
What type of change does the scenario of a bank account starting with $10 and tripling each month represent?
Signup and view all the answers
If the cost of a painting from a well-known artist was $30,000 in 2005 and increased by 5% each year, what was the cost of the painting in 2007?
If the cost of a painting from a well-known artist was $30,000 in 2005 and increased by 5% each year, what was the cost of the painting in 2007?
Signup and view all the answers
What type of relationship does Joey's salary of $30,000 per year plus a 4.15% commission on sales represent?
What type of relationship does Joey's salary of $30,000 per year plus a 4.15% commission on sales represent?
Signup and view all the answers
