What Does It Mean to Say That the Sample Mean

question 12

Multiple Choice

What does it mean to say that the sample mean is an unbiased estimator of the population mean?

• A) The sample means will vary minimally from the population mean.
• B) The sampling distribution of possible sample means is approximately normally distributed, regardless of the shape of the distribution in the population.
• C) If we select a sample at random, then on average we can expect the sample mean to equal the population mean.
• D) All of these.

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Definitions:

Discrete

Refers to a type of quantitative variable that can assume a countable number of distinct values, often representing categories or counts.

Random Variable

A random phenomenon's numerical outcomes manifested in a variable.

Discrete Random

Refers to a type of random variable that can take on a countable number of distinct values, such as whole numbers, but not fractions.

Number Of Customers

The total count of individuals or entities that purchase or use a company's products or services.