A sample of 100 voters completed a questionnaire regarding their level of satisfaction with the current government.

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A sample of 100 voters completed a questionnaire regarding their level of satisfaction with the current government.

The scores on the questionnaire ranged between 25 and 150. The mean of the sample was 92.Which of the following value can be a possible standard deviation for this sample: 0, −92, 12, 64?Why?

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