18 Questions
When graphing a relationship, what does ceteris paribus refer to?
Holding constant all but two variables
In evaluating a relationship between x and y, what does ceteris paribus mean for other variables?
Are not changing while x and y change
What does the ceteris paribus condition imply when graphing the relationship between x and y?
Other variables not shown are held constant
If the quantity consumed of pizza is dependent on the price of pizza, income of purchasers, and taste for pizza, what happens when graphing the relationship between price and quantity consumed?
Price and quantity consumed are the only variables allowed to change
If consumers' taste for pizza and income are variables affecting pizza consumption, which ones change when graphing the price-quantity relationship?
Price and quantity consumed
In a graph showing the relationship between x and y under ceteris paribus, what is held constant?
Other non-shown variables
What type of relationship exists between the outdoor temperature and the consumption of ice tea for the Jones household?
Positive relationship
In a scatter diagram with price of vacations to Mexico on the vertical axis and price of vacations to California on the horizontal axis, what type of relationship is shown?
Positive relationship
If the slope of a line that graphs the relationship between variables x and y is positive, what do we know about the variables?
The variables have an inverse relationship
What happens to ice tea consumption for the Jones household with every ten degrees increase in outdoor temperature?
Increases by 5 glasses
Which curve in the figure shows a positive relationship between variables x and y?
Only curve A
Which curve in the figure shows a negative relationship between variables x and y?
None of the curves show a negative relationship
In the provided text, what does a high correlation between variables along the x-axis and y-axis indicate?
Changes in the variable on the x-axis cause changes in the variable on the y-axis.
Why were axis breaks used in the graph in the provided text?
To indicate jumps from the origin to the first recorded values on the axes.
What does the axis break in the x-axis of the graph imply?
Unemployment rate was never less than 3 percent for the years covered.
How are variables represented if they are strongly negatively related on a graph?
Changes in one variable cause changes in the opposite direction in the other variable.
What do variables being strongly positively related signify on a graph?
Both variables increase or decrease together.
When two variables are said to not be related on a graph, what does this suggest?
Both variables do not affect each other's values.
Test your understanding of graphing relationships with more than two variables and the concept of ceteris paribus. Questions include interpreting graphs, identifying variables, and understanding the impact of changing variables.
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