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Three students on the Track and Field team are competing to see
who will win the next race. The mean and standard deviation for
each student's race times so far are given below.
●
●
Student A has a mean race time of 28.973 seconds and a standard
deviation of 0.05 seconds.
Student B has a mean race time of 27.95 seconds and a standard
deviation of 0.28 seconds.
Student C has a mean race time of 27.16 seconds and a standard
deviation of 0.12 seconds.
Be sure to answer all questions in the space below.
a. Which student has the fastest typical race time?
b. Which student's race times were the most variable?
c. Which student do you predict will win the next race? Support your prediction using the mean and standard deviation.
!!!
Sagot :
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