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Pack-and-Move conducted a study that showed 98% customer satisfaction,
with a standard deviation of 1%. The sample included 25 people who
appeared in one of their commercials, during the past 5 years.
Move-Em-Out conducted a study that showed 92% customer satisfaction,
with a standard deviation of 3%. The random sample consisted of 100 people,
who had recently hired the moving company.
Which of the company claims is more believable and why?

PackandMove conducted a study that showed 98 customer satisfaction with a standard deviation of 1 The sample included 25 people who appeared in one of their com class=

Respuesta :

Using sampling concepts, it is found that the correct option is given by:

D. Move-Em-Out because the sample is not biased.

What is sampling?

It is when a group is taken from a population, and the data taken from the group can be taken to estimate the data for the entire population. A sample has to be representative of the population, that is, it has to avoid bias.

In this problem, the sample from Pack-and-Move was taken only from people who appeared in their commercials, meaning that the sample is biased, as these people are more likely to report high satisfaction, hence option D is correct.

More can be learned about sampling concepts at https://brainly.com/question/25122507

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