Collection of Data

• Make a form and ask the students to write their

  birthdays and return the form to her

  Conducting survey
• Check the date of birth of each studentsin the

  class registry

  Reading statistical publication
• Ask the students to raise their hands if their

  birthdays fall in a certain month

  Observing the outcomes of events
• Laboratory X wants to know the efficacy rate of its

  vaccine?

  Taking measurements in experiment
• Mara tallies the number of female customers that

  enter her shopper day?

  Observing the outcomes of events