When Determining Sample Size, a Researcher Should Take into Account

question 2

Multiple Choice

When determining sample size, a researcher should take into account

• A)the number of subgroups to be analyzed.
• B)the required accuracy of the results.
• C)cost.
• D)the variability in the population being studied.
• E)all of these.

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Definitions:

Process Capability Index

A statistical measure that quantifies how well a process is able to produce output within its specification limits.

Specification Fill Weight

This term denotes the required or specified quantity of product to be filled into a container according to predetermined standards.

Standard Deviation

A statistic that measures the dispersion or spread of a set of data points relative to its mean, used to quantify the amount of variation or dispersion in a set of data values.

P-chart

A type of control chart used for monitoring the proportion of defectives in a process over time in statistical quality control.