The data from Medicine and Science in Sports and Exercise considered ice hockey player performance after electrostimulation training. In summary, there were 17 players, and the sample standard deviation of performance was 0.09 seconds. Is there strong evidence to conclude that the standard deviation of performance time exceeds the historical value of 0.75 seconds? Use a = 0.05 O a. Test on Population Proportion O b. Test on Variance and Standard Deviation O c. Test on Mean, Variance Known O d. Test on Mean, Variance Unknown

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