Which of These Is Not an Advantage of Using a Stratified

question 69

Multiple Choice

Which of these is not an advantage of using a stratified sample instead of a simple random sample?

• A) the stratified sample eliminates the need for randomization
• B) the stratified sample reduces bias
• C) the stratified sample allows you to get more reliable estimates using the same sample size
• D) the stratified random sample allows you to get information about each stratum
• E) the stratified sample reduces sample to sample variability

Understand the sum-of-the-years-digits method of depreciation.

Calculate annual depreciation expenses for various types of assets.

Calculate book value at the end of a given period using different depreciation methods.

Apply the concept of estimated scrap value in depreciation calculations.

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Definitions:

Simple Effect

The effect of one independent variable at a particular level of another independent variable in a factorial design.

Factorial Research

Factorial research involves experiments that study the effects of more than one independent variable at a time on a dependent variable.

Single-Factor Research

An experimental design involving only one independent variable.

Independent Variable

A variable in an experiment or study that is manipulated or changed to observe its effect on the dependent variable.