Discrete Continuous a The total amount of time that customer

Discrete

Continuous

(a) The total amount of time that customers spend this week listening to telephone \"hold\" music while calling 1-800-PARCELS

(d) The fuel efficiency, in miles per gallon, of an American-made car

Which of the following variables are best thought of as continuous, which discrete? Indicate your choice for each by checking the appropriate column.

a) DISCRETE. You cannot have 0.5 of a caller, you only take integer values.

**************

b) DISCRETE. Again, you cannot have 0.5 of a student improving his score.

******************

c) CONTINUOUS. Reaction times can take any value greater than 0.

*************************

d) CONTINUOUS. Efficiency can take any value greater than 0 miles per gallon.

$Discrete Continuous (a) The total amount of time that customers spend this week listening to telephone \$