Observation And Reference Sources # Flashcards
What does observation involve
Counting or measuring
What is counting used for
Discrete data
What is measuring used for
Continuous data
What must be done because continuous data can’t ever be measured accurately
Decide on a suitable level of precision
There is always some error associated with measurement. What should’ve the error vary by
Half the unit you are measuring either way
What are reference resources
Secondary sources of information
What should top do when using reference data
Acknowledge its sources e.g the website
Consider the reliability of the source (it could be biased) government office for national statistics is reliable
What are some problems with reference data
Could be out of data
Processed in the wrong format
Incomplete or missing data