Worksheets3rd Quarter Summative Review
Total questions: 9
Worksheet time: 5mins
Which of the following statements about discrete random variables is FALSE?
A discrete random variablemay have only one possiblevalue
A discrete random variable canhave more than 1000 possiblevalues
A discrete random variable canhave infinite possible values
A discrete random variable cantake on negative values
Which of the following is NOT a random variable?
The number of teachers in each school in the Philippines.
The amount of water drank by each student every day
The number of babies born on 2015 in the Philippines.
The time it takes for each student to finish an exam.
Which of the following is a random variable whose possible values can be
counted? *
continuous
discrete
discreet
continues
What refers to the degree of spread or variability of a data?
Parameter
Mean
Median
Variance
Which of the following is the domain of a random variable?
set of real numbers
set of whole numbers
subset of the outcomes of the experiment
sample of the experiment
What is commonly known as average and could be calculated by adding all
values in a data and dividing the sum with the number of values?
Parameter
Mean
Median
Mode
Which of the following are examples of continuous random variable?
age of the teachers in your school
pens per student
general weighted average of each student in your class
number of house per square kilometer
Which of the following can be a representation of the values of a discrete
random variable?
(5 , 10)
{1 , 2 ,3 , 4 , ….}
{ 6 }
( 7 , ∞ )
What refers to a numerical value calculated by using only the data from a
sample?
Parameter
Random Sample
Statistic
Variance
