Print this page

Topic: Collecting Data (Higher - Unit 1)

Specification References: S2.4 S2.4 Design data-collection sheets distinguishing between different types of data.

Candidates should be able to:

• understand the data collection methods observation, controlled experiment, questionnaire, survey and data logging
• know where the different methods might be used and why a given method may or may not be suitable in a given situation
• design and use data collection sheets for different types of data
• tabulate ungrouped data into a grouped data distribution

Examples

1. A data logging machine records how many people enter and leave a club.
   The table shows the data for 10-minute periods.
   
   

   Period ending at	People entering	People leaving
   10.10pm	23	2
   10.20pm	65	7
   10.30pm	97	21
   10.40pm	76	22
   10.50pm	67	44
   11.00pm	33	33

   
   The club opens at 10pm.
   How many people are in the club at 10.20pm?

view more examples