Project #70603 - question 1

1. What is the probability of type II error when the null hypothesis is rejected?
@Answer found in section 4.3 The One-sample t-Test, in Statistics for Managers
  (Points : 1)
       
       
       
       

 

Question 2.2. The desired sample size depends only the size of the population to be tested. (Points : 1)
        
        

 

Question 3.3. The z- test requires an estimate of the population standard deviation. (Points : 1)
        
        

 

Question 4.4. Large differences in the numerator of a statistical test for differences for means are the only critical factor in determining statistical significance. (Points : 1)
        
        

 

Question 5.5. Why do the critical values change with degrees of freedom for the t-tests?
@Answer found in section 4.3 The One-sample t-Test, in Statistics for Managers
  (Points : 1)
       
       
       
       

 

Question 6.6. What is the relationship between the power of a statistical test and decision errors?
@Answer found in section 3.4 The One-sample t-Test, in Statistics for Managers (Points : 1)
       
       
       
       

 

Question 7.7. Which of the following defines statistical significance? (Points : 1)
       
       
       
       

 

Question 8.8. Statistical significance for a tested mean difference means practical significance as well. (Points : 1)
        
        

 

Question 9.9. The desired sample size depends only the size of the population to be tested. (Points : 1)
        
        

 

Question 10.10. How do statistical tests like the one sample t adjust for the absence of parameter values?
@Answer found in section 4.3 The One-sample t-Test, in Statistics for Managers
  (Points : 1)
       
       
       
       

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Due By (Pacific Time) 05/10/2015 02:00 pm
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