Which of the Following Is True About Computer Scanner Check-Outs

question 9

Multiple Choice

Which of the following is true about computer scanner check-outs ? i) They record purchases by passing them over a laser scanner ii) One of their advantages to the researcher is the ability to look at data over short periods of time iii) Consumers' purchase data can be instantly accessed

• A) i
• B) ii
• C) iii
• D) ii and iii
• E) I, ii and iii

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