A Sample Standard Deviation Is the Best Point Estimate of the ________

question 18

Multiple Choice

A sample standard deviation is the best point estimate of the ________.

• A)population range
• B)population skewness
• C)population mode
• D)population standard deviation

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Definitions:

Random Variable

A variable whose possible values are numerical outcomes of a random phenomenon, with each outcome having an associated probability.

Variance

Variance quantifies the spread of a dataset by measuring the average squared deviation of each number from the mean of the data set.

Mean

The arithmetic average of a set of numbers, calculated by adding up all the values and dividing by the number of values.

Probability

A quantitative measure representing the likelihood or chance of a particular event or outcome occurring.