IB Math Review 1

What kind of data is this question based on? "How do you usually get to school?"

• Categorical

• Discrete

• Continuous

______ can only take certain values and often something you count.

• continuous data

• discrete data

• categorical data

_______ can take any value (within a range), is measured.

• continuous data

• discrete data

• categorical data

Which variable is considered continuous data?

• Number of students in a classroom

• Number of fish in a tank

• Time spent by a doctor examining a person

Which variable is considered discrete data?

• Total pounds of fish caught on a fishing trip

• Number of votes in an election

• Time left on a parking meter

Numerical data is...

• information that is divided into groups.

• information that is only letters.

• information that is something that is measurable.

Bobby asked everyone on his track team his/her best mileage time. Susie asked everyone on the track team what were his/her favorite pair of running shoes. Who collected numerical data?

• Bobby

• Susie

• Both

Anna asked everyone which technology they use the most. Sam asked everyone how many phones do they have at home. Who collected categorical data?

• Anna

• Sam

• Both

John was collecting everyone's weight. Is this continuous data or discrete data?

• continuous data

• discrete data

Melanie was collecting data on the number of children at school. Is this continuous data or discrete data?

• continuous data

• discrete data