I take a sample of 50 students from a school of 1000 pupils. What is the length of my sampling frame?
50
20
1000
impossible to tell
I take a sample of 50 students from a school of 1000 pupils. How many sampling units will I have?
The length of a car is what type of data?
qualitative
quantitative continuous
primary
quantitative discrete
The colour of a pen can be said to be...
secondary data
discrete data
categorical data
stratified data
A census is better than a sample because
it is quicker, cheaper and easier
it is more representative
it takes longer
