Select the correct answer.
A company’s board of directors took a random sample of 10% of the company’s employees and surveyed them about their happiness at work.
What would most likely happen if they decided to randomly sample 15% of the company’s employees instead?
A.
The sample mean would not be affected.
B.
The sample mean would more closely model the population mean.
C.
There is not enough information to determine how the sample mean would be affected.
D.
The sample mean would less closely model the population mean.