Time series data show information ?

A supply curve is directly affected by ?

A. technology

B. input costs

C. government regulation

D. all of the above

when a market is in equilibrium ?

A. quantity demanded equals quantity supplied

B. Excess demand and excess supply are zero

C. The market is cleared by the equilibrium price

D. All of the above

If the diagram of a line shows that lower values on the vertical scale are associated with higher values on the horizontal scale this is an example of ?

A. a nonlinear relationship

B. a positive linear relationship

C. a scatter diagrams

D. a negative linear relationship

A straight-line diagram can be drawn knowing the ________ and ________?

A. vertical axis and horizontal axis

B. intercept and slope

C. scale and slope

D. intercept and scale

A real value can be derived from a nominal value by ?

A. adjusting for changes over time

B. adjusting for data collection errors

C. adjusting for population changes

D. adjusting or changes in prices