The standard deviation for the resting heart rates of Rio Hondo Students was 12 beats per minute bpm The actual sample data is below 61 63 64 65 65 67 71 72 73 74 75 77 79 80 81 82 83 83 84 85 86 86 89 95 95 Based on this sample is there enough evidence to say that the standard deviation of the resting heart rate for students in this class is different from 12 bpm Use a 0 05 The null and alternative hypothesis would be 9 Ho 12 Ho 77 4 Hoo 12 Ho p 0 48 Ho H 77 4 H 0 12 H p0 48 H 9 H 12 O The test is two tailed right tailed left tailed Based on a sample of 25 games The test statistic is to 3 decimals The p value is to 3 decimals Based on both the p value method and the classical method we Reject the null hypothesis