You Are Going to Use a Purposive Sample (A Nonprobability

question 11

Multiple Choice

You are going to use a purposive sample (a nonprobability sample) to collect data from fast-food restaurant customers.Which of the following concepts would be applicable to determining sample size?

• A)confidence intervals
• B)sample size formula for estimating a percentage
• C)sample size formula for estimating a mean
• D)estimating a population value within a stated percent of allowable error
• E)None of the above would be appropriate;sample size concepts and formulas are only applicable when probability sampling plans have been used.

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