Year 7 ICTYear 7 ICT

WBGSWBGS

Collecting Data Collecting Data and and

InformationInformation

•Understand the difference Understand the difference between between datadata & & informationinformation

• Evaluate methods of Evaluate methods of performing a performing a surveysurvey

•Perform a class surveyPerform a class survey•AnalyseAnalyse the data the data•Draw conclusions from the Draw conclusions from the

datadata

Today's Lesson…Today's Lesson…

How to do you collect How to do you collect data?data?

What methods are there of What methods are there of collecting data?collecting data?

SurveySurveySurveySurvey

QuestionnaiQuestionnairere

QuestionnaiQuestionnairere

Opinion Opinion PollPoll

Opinion Opinion PollPoll

VoteVoteVoteVote

InternetInternetInternetInternet

RadioRadioRadioRadio SensorSensorSensorSensor

Data & InformationData & Information

What is the difference between What is the difference between data and information?data and information?

Data is raw facts and figures.Data is raw facts and figures.Information has structure and Information has structure and

meaningmeaning

Data is raw facts and figures.Data is raw facts and figures.Information has structure and Information has structure and

meaningmeaning

Data & InformationData & Information

Is this data or information?Is this data or information?

150108150108150108150108

15/01/0815/01/0815/01/0815/01/08

DATADATA

INFORMATION

PROCESSINGPROCESSING

•PopulationPopulation–Year 7Year 7

•SampleSample–7?7?

Opinion PollOpinion Poll

•QuickerQuicker•FasterFaster•Difficult to get Difficult to get everyone taking everyone taking part?part?

Why Choose a Why Choose a Sample?Sample?

ThinThink of k of

5 5 typetypes of s of foodfood

Put in a Put in a tally for tally for

each each answeranswer

Total up Total up the the

tallys tallys when when

completcompleteded

Total up Total up the the

tallys tallys when when

completcompleteded