Treating the eight values as a whole population, what is the standard deviation?
Answer and explanation
Correct answer: A. 2
- Step 1: Mean . Step 2. Sum of squared deviations , so variance . Step 3. Standard deviation . Answer: 2. Why not the others: 4 is the variance; 2.14 divides by , which is the sample formula; 5 is the mean.
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