Question

In: Statistics and Probability

Listed below are prices in dollars for one night at different hotels in a certain region....

Listed below are prices in dollars for one night at different hotels in a certain region. Find the​ range, variance, and standard deviation for the given sample data. Include appropriate units in the results. How useful are the measures of variation for someone searching for a​ room?

270 278 154 144 220 222 178 285

Solutions

Expert Solution

270 51.125 2613.765625
278 59.125 3495.765625
154 -64.875 4208.765625
144 -74.875 5606.265625
220 1.125 1.265625
222 3.125 9.765625
178 -40.875 1670.765625
285 66.125 4372.515625


The measure of variation is not very useful because when searching for a room, low prices, location, and good accommodations are not more important than the amount of variation in the area.


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