(Choose 1 answer)
A researcher prepares a two page questionnaire. On each page, there are questions related to the amount of beverages consumed by the respondent in a given week. Given below are the units of measurement used on pages 1 and 2 respectively. Which of the following combinations is recommended as appropriate for use in a questionnaire?
A. Ounces, liters
B. Liters, ounces
C. Liters, liters
D. Gallons, ounces
E. Ounces, gallons
