Question: The standard deviation of the sample values in Exercise 1 is 43.1 km/h. What is the variance (including units)? Data from in exercise 1 Listed

The standard deviation of the sample values in Exercise 1 is 43.1 km/h. What is the variance (including units)?

Data from in exercise 1

Listed below are maximum speeds (km>h) of randomly selected roller coasters in the United States. Find the mean.

70 76 97 81 57 151 194 65 117 65 45 105

70 76 97 81 57 151 194 65 117 65 45 105

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