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Brainlyess


In order to find the percentage of households in a town that own more than one vehicle, a survey asks 1000 randomly selected drivers at a gas station how many vehicles are owned in their household. From the results of the survey, it is reported that 67% of households in the town have more than one vehicle. Why is this report biased?

Answer options with 4 options


A.A random sample was used.


B.The sample size was too small.


C.A survey should not have been used.


D.Households without a vehicle were not surveyed.

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The bias in the report is that households without a vehicle were not surveyed.

• A bias in a statistical research may be occur when the sample used is not entirely representative of the population. The research carried out above was to evaluate the number of households with more Than one car, the sampling frame should not only include the households with cars but the entire household in the town.

• The fact that the random sample were Drivers at the gas station, exempts those households without cars because those without cars cannot drive to a gas station.

• The sample is sufficiently large.

The scenario also states that, the samples were chosen randomly.

Hence, the bias is that household without cars were exempted from the survey.

Learn more : https://brainly.com/question/24393604

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