For my example, there is a scientist that is studying the effects of caffeine on heartrate in healthy young adults. For this experiment she will be using caffeine pills on 20 different men and women that volunteered for the study, with an average age of 22-24. The results are measured through beats per minute once the subject has reached the 30 minute mark after taking the pill.

The results are as follows:

Find the sample mean, standard deviation, and confidence interval assuming an alpha value of 0.05

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Subject A: 91 bpm	Subject E: 75 bpm	Subject I: 91 bpm	Subject M: 55 bpm	Subject Q: 99 bpm
Subject B: 95 bpm	Subject F: 83 bpm	Subject J: 67 bpm	Subject N: 118 bpm	Subject R: 117 bpm
Subject C: 62 bpm	Subject G: 83 bpm	Subject K: 110 bpm	Subject O: 68 bpm	Subject S: 101 bpm
Subject D: 59 bpm	Subject H: 79 bpm	Subject L: 102 bpm	Subject P: 106 bpm	Subject T: 94