Describe measures of central tendency

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The most common statistical analyses you will perform assume "normality" and describe measures of central tendency. While there are tests that can be ran that describe the extent to which distributions fit the normal curve, an additional means to estimate normality is a histogram or similar visual representation.

a) Why is it important to perform a test or otherwise validate that data is normally distributed?

b) Give one scenario or data inquiry that might produce very non-normally distributed data for which certain "basic" statistical calculations such as the mean is not so useful.

Reference no: EM132802078

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