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What Are The 7 QC Tools?

What are QC Tools? Maintaining efficiency in production processes is crucial to quality control. The 7 Quality tools (QC) help identify product problems and assist quality control professionals in implementing solutions. You can improve a company’s...

Yield

What is Yield? This term is used to describe the amount of money that has been earned and realized over a certain period of time. It is expressed as a percent based on either the amount invested, the current market value or the face value of the securities. Yield is...

Systematic Sampling

What is Systematic Sampling Systematic sampling is a probability sampling technique in which members of a population are randomly selected and then grouped into a sample. However, the interval between each grouping must be fixed. The sampling interval is calculated by...

Stratified Sampling

What is Stratified Sampling? In Stratified Sampling, researchers divide a sample based on specific characteristics, such as race, gender, and location, into homogeneous subpopulations, called strata. Each member of the studied population should belong to exactly one...

Time Series Plot

A time plot helps you see trends, patterns, or changes in data collected at regular time intervals—like daily, monthly, or yearly. Time plots are one of the most valuable tools in data analysis, particularly when working with data that unfolds over time. Whether...