Econ 104- Chapter 1

Question 1

Graph

Answer 1

a two-dimensional rep. of a set of numbers and data

Question 2

Negative Relationship

Answer 2

a relationship between two variables, X and Y, in which a decrease in X is associated with an increase in Y and an increase in X is associated with a decrease in Y.

Question 3

Origin

Answer 3

the point at which the horizontal and vertical axes intersect

Question 4

Positive Relationship

Answer 4

a relationship between two variables, X and Y, in which a decrease in X is associated with a decrease in Y, and in increase in X is associated with an increase in Y.

Question 5

Slope

Answer 5

a measurement that indicates whether the relationship between variables is positive or negative and how much of a response there is in Y (the variable on the vertical axis) when X (the variable on the horizontal axis) changes.

Question 6

Time Series Graph

Answer 6

a graph illustrating how a variable changes over time.

Question 7

X- Axis

Answer 7

the horizontal line against which a variable is plotted

Question 8

X- Intercept

Answer 8

the point at which a graph intersects the X-axis

Question 9

Y-Axis

Answer 9

the vertical line against which a variable is plotted

Question 10

Y-intercept

Answer 10

the point at which a graph intersects the Y-axis