Answer:
a. continuous
b. continuous
c. discrete
d. discrete
Step-by-step explanation:
Discrete variables have a countable numbers of outcomes while continuous variables can assume infinite possible values.
a. A scientist measures the height of a plant every 5 days.
The height of the plant can assume any possible value, the variable is continuous.
b. A dog's weight is measured every week
Similarly to the height, the weight can assume any possible value, the variable is continuous.
c. The number of leaves on a tree are counted each month
The number of leaves is restricted to integer numbers, the variable is discrete.
d. The number of languages a person speaks
Also represents an integer number, the variable is discrete.
