Join the IDNLearn.com community and start exploring a world of knowledge today. Receive prompt and accurate responses to your questions from our community of knowledgeable professionals ready to assist you at any time.


Mr. Vallone can swim 100 yards in roughly 110 seconds, which is the 12th percentile.
The average time to swim 100 yards for the other lifeguards is 185 seconds.
Calculate the standard deviation.
Round your answer to 2 decimal places.