9. W
10
Statistics and Probability
Quarter 3 - Module 2:
Distinguishing Between a Discrete and a Continuous Random Variable
What I Need to Know
The module has one lesson.
Lesson 1 - Distinguishing between a discrete and a continuous random variable.
What I Know
Before studying this module, take this pre-test to find out how much you already know about
the topic covered. Write the chosen letter on a separate sheet of paper.
1. How is the variable, as described in Algebra, similar to a random variable?
A. Both variables can take on assigned numerical values
B. Both variables correspond to assigned specific probability
C. Both variables take on assigned intervals instead of numbers
D. Both variables can only take on specific numerical values assigned to them
2. A variable that can assume any value between two given points is called
A. Discrete random variable
C. Uncertain random variable
B. Irregular random variable
D. Continuous random variable
3. Discrete random variable is a numerical quantity derived from the outcome of an
experiment that can be
A Counted B. Manipulated
C. Measured
D. Traced
4. Continuous random variable is a numerical quantity derived from the outcome of an
experiment that can be
A Counted B. Manipulated
C. Measured
D.Traced
5. You decide to collect a bunch of bottles of soft drink and measure the volume of soft drink
in each bottle Let X be the number of ml of soft drink in each bottle. What type of variable
is X?
A X is a constant
C. X is a discrete random variable
B. Xis a Place holder
D. X is a continuous random variable
6. Which of the following statement describe a discrete random variable?
A. The length of span of a 10 months baby
B. The average increase in height of a baby each year
C. The average increase in weight of a baby each year
D. The number of avocado produced by an avocado tree each year
7. Which of the following is discrete random variable?
A Cardo's height
C. Cardo's temperature
B. Cardo's weight
D. Cardo's number of owned cars
8. Which of the following is continuous random variable?
A. The cat has 2 eyes
C. The cat has 4 paws