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Discussing Statistical Significance

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I use this book,

McDaniel, Carl. Marketing Research, 9th Edition. John Wiley & Sons, 02/2013.

When do you say the difference between two numbers is statistically significant?

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This solution explains what is meant by the term "statistical significance". It includes APA formatted references.

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Significance in statistics means the difference between numbers is probably true and not a result of chance. This is a different definition than how the word "significant" is used in everyday conversation, to indicate something or someone is "important." When the difference between two numbers is determined to be statistically significant it means the difference is "true" or large enough to be unlikely the result of chance or a sampling error (McDaniel & Gates, 2011, p. 521). Statisticians can ...

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