Consider: Revenues $=37\mathrm{.}691\mathrm{.}23$ marketing dollars spent

Suppose we have $2000$ data points whose values include the revenues gained when between $$1000$ and $$5000$ of marketing dollars were spent. Which of the following is true about expected revenues when spending $$1000$ on marketing?

Spending $$1000$ on marketing will cause revenues to be $$2535\mathrm{.}38.$

Spending $$1000$ on marketing will cause revenues to be $$1,223\mathrm{.}00.$

Spending $$1000$ on marketing is related to revenues of $$1,267\mathrm{.}69.$

Spending $$1000$ on marketing is related to revenues of $$2535\mathrm{.}38.$