If you were designing a study which group, a population or a sample, would you collect data from and why? Provide an explanation regarding whether or not the standard deviation is a biased or unbiased estimate. When comparing the standard deviation to the variance, which do you prefer to interpret and why do you feel this way?© BrainMass Inc. brainmass.com June 19, 2018, 8:51 am ad1c9bdddf
Whenever a study is designed the sample is collected from a population of interest. A sample is always a representation of the population. We cannot take the full population because of lack of resources, time etc, so we always prefer a sample to conclude about the population. For example, we can select a sample of students from a university to check the average grades of students and based on the ...
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