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1.
value:

7.14 points
 
 

Computer abuse by employees is an ongoing worry to businesses. A study revealed the data shown below. At α = .01, is the frequency of disciplinary action independent of the abuser’s level of privilege?



  Computer Abuse Incidents Cross-Tabulated by Privilege and Punishment
  Level of PrivilegeDisciplinedNot DisciplinedRow Total
  Low234  27
  Medium26733
  High26632
  


  Col Total7517  92  
  






   

Click here for the Excel Data File

    

Calculate the Chi-square test statistic, degrees of freedom and the p-value. (Round your test statistic value to 2 decimal places and the p-value to 4 decimal places.)



   
  Test statistic  
  d.f.  
  p-value  





(c)

Find the critical value for Chi-Square. Refer to the chi-square table(Round your answers to 3 decimal places.)



  Critical value  



 

In a three-digit lottery, each of the three digits is supposed to have the same probability of occurrence (counting initial blanks as zeros, e.g., 32 is treated as 032). The table shows the frequency of occurrence of each digit for 90 consecutive daily three-digit drawings.

    
DigitFrequency
015          
132          
215          
326          
439          
530          
632          
727          
831          
923          
 
       Total  270          
 


          

PictureClick here for the Excel Data File

 
 2.
value:
7.14 points
 
Required information
 
(1)

Calculate the Chi-square test statistic, degrees of freedom and the p-value. (Perform a Uniform Goodness of Fit test. Round your test statistic value to 2 decimal places and the p-value to 4 decimal places.)

     
 
  Test statistic[removed]  
  d.f.[removed]  
  p-value[removed]  

    • 10 years ago
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