Variation

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Part 1

Write a 250- to 300-word response to the following:

·       Why are measures of variability important when interpreting data?

 

Part 2

Write a 250- to 300-word response to the following:

·       How do you choose which measure of variation to use and what considerations may have an impact on your decision?

 

Use APA Guidelines, in text citations and include a reference page for both parts.

Variation

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Variation exists in virtually all parts of our lives. We often see variation in results in what we spend (utility costs each month, food costs, business supplies, etc.).  Consider the measures and data you use (in either your personal or job activities). When are differences (between one time period and another, between different production lines, etc.) between average or actual results important?  How can you or your department decide whether or not the variation is important?  How could using a mean difference test help?