MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Find the​ (a) mean,​ (b) median,​ (c) mode, and​ (d) midrange for the data and then​ (e) answer the given questions.
 
Listed below are the highest amounts of net worth​ (in millions of​ dollars) of all celebrities. What do the results tell us about the population of all​ celebrities? Based on the nature of the​ amounts, what can be inferred about their​ precision?
 
275    
200    
185    
165    
155    
155    
135    
135    
135    
135
  
a. Find the mean.
 
The mean is
​$nothing
million.
​(Type an integer or a decimal rounded to one decimal place as​ needed.)
b. Find the median.
 
The median is
​$nothing
million.
​(Type an integer or a decimal rounded to one decimal place as​ needed.)
c. Find the mode.
 
Select the correct choice below​ and, if​ necessary, fill in the answer box to complete your choice.
 
 
A.
The​ mode(s) is(are)
​$nothing
million.
​(Type an integer or a decimal. Do not round. Use a comma to separate answers as​ needed.)
 
B.
There is no mode.
d. Find the midrange.
 
The midrange is
​$nothing
million.
​(Type an integer or a decimal rounded to one decimal place as​ needed.)
e. What do the results tell us about the population of all​ celebrities?
 
 
A.
Apart from the fact that all other celebrities have amounts of net worth lower than those​ given, nothing meaningful can be known about the population.
 
B.
The results tell us that the most common celebrity net worth is the​ mode, but all other celebrities are expected to have net worths approximately equal to the​ mean, median, or midrange.
 
C.
The results tell us that all celebrities are expected to have amounts of net worth approximately equal to one of the measures of center found in parts​ (a) through​ (d).
 
D.
Apart from the fact that all other celebrities have amounts of net worth lower than those​ given, the results in parts​ (a), (b), and​ (d) do not given meaningful results.​ However, the result from part​ (c) shows that the most common celebrity net worth is equal to the mode.
Based on the nature of the​ amounts, what can be inferred about their​ precision?
 
 
Expert Solution
Check Mark
Step 1

(a)

The mean of the data is given by

Mean=Sum of all observationsTotal number of observations          =275+200+185+165+155+155+135+135+135+13510          =167.5

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