The Reaction Time in Seconds to a Stop Light for a Group

question 274

Multiple Choice

The reaction time in seconds to a stop light for a group of adult men were found to be
0.74, 0.71, 0.41, 0.82, 0.74, 0.85, 0.99, 0.71, 0.57, 0.85, 0.57, 0.55 (mean = .709)

-What is the standard deviation?

• A)0.026
• B)0.052
• C)0.580
• D)0.1613
• E)0.0007

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