Cars are parked in a very big parking lot. A researcher is required to estimate the proportion of cars…
In sampling theory, a larger convenience (non-probability) sample does not overcome systematic selection bias. Hence, the statement 'A sample of 100 cars in a convenience…
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Cars are parked in a very big parking lot. A researcher is required to estimate the proportion of cars that are red or the proportion of cars that are from a Japanese manufacturer. Which of the following statement is not correct ?
Answer and explanation
Correct answer D
In sampling theory, a larger convenience (non-probability) sample does not overcome systematic selection bias. Hence, the statement 'A sample of 100 cars in a convenience sample is always better than a sample of 20 cars from a proper random sampling method' is not correct.
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