Statistics- A sample of recorded dog barks is analyzed for decibel intensity
QUESTION
A sample of recorded dog barks is analyzed for decibel intensity. The mean intensity is 62.25 decibels with variance of 4.45. If this data set is normally distributed, we would expect approximately 95% of the barks to be within what range?(53.35, 71.15)(55.92, 66.47)(58.03, 66.47)(60.16, 64.36)
ANSWER:
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