Since the sample size is always smaller than the size of the population, the sample meana. must always be smaller than the population meanb. must be larger than the population meanc. must be equal to the population meand. can be smaller, larger, or equal to the population mean

Step-by-step explanation:

We know that the sample size is smaller than the size of the population, because it's a subset that must represent the population.

However, that doesn't mean the sample mean has to be smaller than the population mean, actually this stats can be smaller, equal or larger, it depends on another factors.

Therefore, the right answer is the last choice

the answer is -1 for this question

step-by-step explanation: