The mean is $5.769 million and the standard deviation is $3.905 million.
<h3>What is the mean?</h3>
The mean is the average of a data set.
<h3>What is the standard deviation?</h3>
The standard deviation shows the measure of the dispersion from the mean.
<h3>Data and Calculations:</h3>
Urban Area         Total Cost       Squared Difference
                         (millions of dollars)    (x - u)²
New York                  16                     104.65  
Los Angeles              13                      52.27
Chicago                      7                          1.51
Washington, D.C.       5                        0.59
Houston                      5                        0.59
Dallas, Fort Worth      4                         3.13
Detroit                        4                          3.13
Miami                         4                          3.13
Phoenix                     4                          3.13
Philadelphia              4                          3.13
San Francisco           3                          7.67
Boston                       3                          7.67
Atlanta                       3                          7.67
13    Total                 75                       198.27
Mean = 5.769 (75/13)                         15.251 (198.27/13)
Standard Deviation = 3.905 (square root of 15.251)
<h3>Question Completion:</h3>
Urban Area         Total Cost
                         (millions of dollars) 
New York                  16 
Los Angeles              13 
Chicago                      7 
Washington, D.C.      5 
Houston                     5 
Dallas, Fort Worth     4 
Detroit                       4 
Miami                        4 
Phoenix                    4 
Philadelphia             4 
San Francisco          3 
Boston                     3 
Atlanta                     3
Calculate the mean and standard deviation for this data set (in millions of dollars). (Round your answers to three decimal places.) mean $ million standard deviation $ million
Thus, the mean is $5.769 million and the standard deviation is $3.905 million.
Learn more about calculating the mean and standard deviation at brainly.com/question/1580527
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