1.
Question :
Compared to the ANOVA test, Chi-Square procedures are not powerful (able to
detect small differences).
Student
True
Answer:
Instructor Answer found in section 12.3, in Statistics for Managers
Explanation:
Points Received:
False
1 of 1
Comments:
Question 2.Question :
The percent confidence interval is the range having the percent probability of
containing the actual population parameter.
Student
True
Answer:
Instructor Answer found in section 11.1, in Statistics for Managers
Explanation:
Points Received:
False
0 of 1
Comments:
Question 3.Question :
The distribution for the goodness of fit test equals k-1, where k equals the
number of categories.
Student
True
Answer:
Instructor Answer found in section 12.2, in Statistics for Managers
Explanation:
Points Received:
False
1 of 1
Comments:
Question 4.Question :
The Chi-square test can be performed on categorical (nominal) level data.
Student
True
False
Answer:
Instructor Answer found in section 12.1, in Statistics for Managers
Explanation:
Points Received:
1 of 1
Comments:
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.
Student
True
Answer:
Instructor Answer found in section 11, introduction, in Statistics for Managers
Explanation:
Points Received:
False
1 of 1
Comments:
Question 6.Question :
In confidence intervals, the width of the interval depends only on the variation
within the data set.
Student
True
Answer:
Instructor Answer found in section 11.2, in Statistics for Managers
Explanation:
Points Received:
False
1 of 1
Comments:
Question 7.Question :
For a two sample confidence interval, the interval shows the difference between
the means.
Student
True
Answer:
Instructor Answer found in section 11.2, in Statistics for Managers
Explanation:
Points Received:
False
0 of 1
Comments:
Question 8.Question :
If the confidence interval for mean differences contains a 0, the associated t-test
would have shown a significant difference.
Student
True
Answer:
Instructor Answer found in section 11.2, in Statistics for Managers
Explanation:
Points Received:
False
0 of 1
Comments:
Question 9.Question :
Statistical significance in the Chi-square test means the population distribution
(expected) is not the source of the sample (observed) data.
Student
True
Answer:
Instructor Answer found in section 12.2, in Statistics for Managers
Explanation:
Points Received:
False
1 of 1
Comments:
Question 10.Question :
The Chi-square test is very sensitive to small differences in frequency
differences.
Student
True
Answer:
Instructor Answer found in section 12.3, in Statistics for Managers
Explanation:
Points Received:
1 of 1
False