REVIEW

Which of the following is an example of a discrete random variable?

• 
  amount of sugar in a can of soda

• 
  number of male students in a classroom

• height of pechay in centimeters

• 
  weight of newly born child in pounds

Which of the following statements is true?

• A random variable is a quality having a numerical value for each member of a group, especially one whose values occur according to a frequency distribution.

• A random variable is a quantity having a numerical value for each member of a group, especially one whose values occur according to a frequency distribution.

• 
  A random variable is a quantity having a value for each member of a group, especially one whose values occur according to a frequency distribution.

• All of the above

Which of the following random variables is continuous?

• 
  the number of bottled water sold in a day

• 
  the number of learning packets delivered in a day

• 
  the amount of time it takes to conduct swab-test

• 
  the number of bottled of food I eat.

Which of the following is a graphical display of data using bars of no spaces in between and group numbers into ranges?

• 
  Bar Graph

• 
  Line Graph

• 
  

  Histogram

• Normal Curve

Four dice are to be tossed at the same time. How many possible outcomes are there

• 16

• 36

• 216

• 1296

A parameter are descriptive measures computed from a ________.

• population

• statistic

• mean

• sample

A variable that can be discrete or continuous is called ____.

• Random variable

• Random notation

• Random sample

• Random elimination