Using a One-Sample Equivalence Test for a Machine that Packages Candy Corn

During Halloween season, many consumers like to purchase and enjoy candy corn and candy pumpkins. A certain company just purchased a new machine that seals the packages of these tasty treats. This machine ...

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Making Decisions using Exploratory Data Analyses

The Sun Beach school system conducted a comparative educational experiment. A random sample of 200 third grade students was randomly selected from the district. The students were then randomly assigned ...

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Difference in Differences Analysis

Policies are frequently implemented in numerous areas, including government, educational districts, and corporate sectors. Since policies often require significant funding, policymakers want to know if policies are working...

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Decision Making - Part 1

The importance of decision making cannot be overstated. In this post, we look at a situation involving money...

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Interpreting Polls

Polling can be an important way to inform interested parties how people feel about specific topics. Organizations seeking this type of information are responsible for designing an appropriate selection process to ensure a sample representative ...

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Survey Tips

  1. Do not ask leading questions.

Asking leading questions can influence the response and not capture the respondent’s true feeling.

Example: “Since your car was repaired and now works great, do you trust the mechanics at Repair Zone?”

This question seems to lead the respondent to respond favorably.

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Contact Information

Email: cgnorthrup@northrupanalytics.comMarietta, GA 30008828.674.0952