For each of the following variables, indicate whether the data are time series or cross$-$sectional.

Prompts $$

Spending on household goods recorded monthly.

The annual percentage change in the population of Houston recorded over the last $10$ years.

The percentage of adults $25-40$ who report using online bill payment methods.

The number of students at a university who use the on$-$campus health and recreation center each day, recorded over a semester.

Answers

Select match