isted 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?   138 257 127 137 198 117 211 164         Question content area bottom Part 1 The range of the sample data is 140140 dollars.dollars.   ​(Round to one decimal place as​ needed.) Part 2 The standard deviation of the sample data is enter your response here ▼   nights squared .nights2. nights.nights. dollars squared .dollars2. dollars.dollars.  ​(Round to one decimal place as​ needed

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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?
 
138
257
127
137
198
117
211
164
 
 
 
 

Question content area bottom

Part 1
The range of the sample data is
140140
dollars.dollars.
 
​(Round to one decimal place as​ needed.)
Part 2
The standard deviation of the sample data is
enter your response here
 
nights squared .nights2.
nights.nights.
dollars squared .dollars2.
dollars.dollars.
 ​(Round to one decimal place as​ needed
Expert Solution
Step 1

The data on prices in dollars for one night at different hotels in a certain region is given below:

138
257
127
137
198
117
211
164
 
Measures of variation represents the amount of variability or spread in a set of data. Commonly used measures of dispersion are Range, Inter quartile range, variance and standard deviation.
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