Answer to Question #194487 in Algebra for Daniela(me)

Question #194487

 

9. The empirical rule states that for a normal distribution:

• Approximately   % of the data lies within 1 standard deviation from the mean 

• Approximately   % of the data lies within 2 standard deviations from the mean 

• Approximately    % of the data lies within 3 standard deviations from the mean 

 

 

10. Write the correct symbol for each of the following:

a) Standard deviation of a sample    

b) Mean of a population  

c) Mean of a sample   

d) Standard deviation of a population    

 

 

 


1
Expert's answer
2021-05-24T12:03:11-0400

9. The empirical rule states that for a normal distribution:

• Approximately  "68.27\\%" of the data lies within 1 standard deviation from the mean 

• Approximately   "95.45\\%" of the data lies within 2 standard deviations from the mean 

• Approximately    "99.73\\%" of the data lies within 3 standard deviations from the mean 


10.

a) Standard deviation of a sample "s"    

b) Mean of a population  "\\mu"

c) Mean of a sample "\\bar{x}"   

d) Standard deviation of a population "\\sigma"   



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