Question: The data below are from a random sample of 35 cheetahs. The numbers record the speeds (in mph) over a 1/4 mile distance. The data was obtained by Trade Environment Database, published by the Cheetah Conservation of Southern Africa.

57.3 57.5 59.0 56.5 61.3 57.6
59.2 65.0 60.1 59.7 62.6 52.6
60.7 62.3 65.2 54.8 55.4 55.5
57.8 58.7 57.8 60.9 75.3 60.6
58.1 55.9 61.6 59.6 59.8 63.4
54.7 60.2 52.4 58.3 66.0

Calculate the following measure of dispersion: RANGE, VARIANCE, AND STANDARD DEVIATION. (Use Stat Crunch where necessary.) Be sure to include correct units for each, Interpret the meaning of the range and variance.

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