BUS 308 Week 4 Quiz

1.

Question :

Compared to the ANOVA test, Chi-Square procedures are not powerful (able to detect small differences).

True

False

 
 

 

Question 2.

Question :

The percent confidence interval is the range having the percent probability of containing the actual population parameter.

True

False

 
 

 

Question 3.

Question :

The distribution for the goodness of fit test equals k-1, where k equals the number of categories.

True

False

 
 

 

Question 4.

Question :

The Chi-square test can be performed on categorical (nominal) level data.

True

False

 
 

 

Question 5.

Question :

A confidence interval is generally created when statistical tests fail to reject the null hypothesis – that is, when results are not statistically significant.

True

False

 
 

 

Question 6.

Question :

In confidence intervals, the width of the interval depends only on the variation within the data set.

True

False

 
 

 

Question 7.

Question :

For a two sample confidence interval, the interval shows the difference between the means.

True

False

 
 

 

Question 8.

Question :

If the confidence interval for mean differences contains a 0, the associated t-test would have shown a significant difference.

True

False

 
 

 

 

 

Question 9.

Question :

Statistical significance in the Chi-square test means the population distribution (expected) is not the source of the sample (observed) data.

True

False

 
 

 

 

Question 10.

Question :

The Chi-square test is very sensitive to small differences in frequency differences.

True

False

 
 

 

 

    • 10 years ago
    BUS 308 Week 4 Quiz-Solution ( Solved by CPA)
    NOT RATED

    Purchase the answer to view it

    blurred-text
    • attachment
      bus_308_week_4_quiz-solution.docx