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Statistics: Select the statement that expresses an approach used with observational studies. a.) Next week, let's send out a coupon for 25% off any menu

Statistics:

Select the statement that expresses an approach used with observational studies.

  • a.)
  • "Next week, let's send out a coupon for 25% off any menu item to see if we get more customers."
  • b.)
  • "I think asking questions and collecting the information we want from our population sample is a good start."
  • c.)
  • "We can test out locations for a brick and mortar by moving our truck. I mean, we have our social media page that gives our daily locations, but what if we found a location we like for a brick and mortar and see if our customers follow us there?"
  • d.)
  • "We took all those notes. We recorded customer counts, menus, food prices, even the general atmosphere of the food truck environment."

Observational studies and experiments.

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