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Andrew took a random sample of 10 decorated ceramic cups from a population of 100 cups to determine the sample mean number of defective cups. Barbara took another random sample of 10 cups from the same population for the same task. What would happen if Andrew and Barbara both choose a sample size of 20? The difference of their sample means is likely to

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Answer:

decrease

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The difference of their sample means is likely to decrease.

What is sample mean?

A sample mean is an average of a set of data .

Given:

Andrew took a random sample of 10 decorated ceramic cups from a population of 100 cups.

Barbara took another random sample of 10 cups from the same population for the same task.

So, if Andrew and Barbara both choose a sample size of 20 then the sample mean decreases because when the sample size increases then both means come closer to population means.

Learn more about this sample mean here:

https://brainly.com/question/14127076

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