Question: Current laugh-o-meter detection range in feet (population average): 75 New meter detection range in feet (mean from sample): 100 Standard deviation from sample: 72 Sample

Current laugh-o-meter detection range in feet (population average): 75 New meter detection range in feet (mean from sample): 100 Standard deviation from sample: 72 Sample size (n): 25 , WHAT IS THE DEGREE OF FREEDOM

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