The Sample Variance $s ^ { 2 }$ Is an Unbiased Estimator of the Population Variance

question 34

True/False

The sample variance $s ^ { 2 }$ is an unbiased estimator of the population variance $\sigma ^ { 2 }$ when the denominator of $s ^ { 2 }$ is n - 1.

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Definitions:

Direct Labor-Hours

The cumulative hours put in by workers who are directly engaged in the production process.

Direct Materials Cost

The expense associated with the raw materials and components directly incorporated into a finished product.

Activity-Based Costing

A financial methodology that calculates the cost of products and services by identifying activities related to production and assigning costs to each product accordingly.

Direct Labor-Hours

The total number of hours worked by employees directly involved in the manufacturing process.