Unit 10 - Quiz #4 - Analyze Phase: PMGT 550-90- O-2025/Late Summer - QualityMgmt &Improvement 9/20/25, 7:47 PM
Unit 10 - Quiz #4 - Analyze Phase
Due Sep 21 at 11:59pm
Points 100
Questions 20
Available Sep 16 at 12am - Sep 21 at 11:59pm
Time Limit 45 Minutes
Allowed Attempts 3
Instructions
You have one hour to completed this quiz. It is 20 multiple choice questions. Once you start the quiz
you must finish it. You can not stop and restart it.
Take the Quiz Again
Attempt History
Attempt Time Score
KEPT Attempt 2 14 minutes 90 out of 100
LATEST Attempt 2 14 minutes 90 out of 100
Attempt 1 10 minutes 85 out of 100
Answers will be shown after your last attempt
Score for this attempt: 90 out of 100
Submitted Sep 20 at 7:46pm
This attempt took 14 minutes.
Question 1
pts
The One-way ANOVA (one-way analysis of variance) is a statistical method to compare means of two
or more populations.
https://harrisburgu.instructure.com/courses/17910/quizzes/85965 Page 1 of 7
, Unit 10 - Quiz #4 - Analyze Phase: PMGT 550-90- O-2025/Late Summer - QualityMgmt &Improvement 9/20/25, 7:47 PM
[ ] True [ ] False
True
Correct
False
Question 2
pts
. If the p-value of a t test is 0.6656 and the alpha level is 0.05 then we __________ the null
hypothesis and we claim that the means of two groups are __________ .
[ A ] fail to reject [ C ] reject
[ B ] equal [ D ] unequal
AB
AD
BC
CD
Question 3
pts
As the scatter of points around a regression line becomes greater, the r-squared value will:
Become larger
Become smaller
Approach a value of 1
Be unaffected
Question 4
pts
Which of the following statements is true?
Confidence intervals are always symmetrical
Confidence intervals increase in width as the sample size increases
Confidence intervals for the mean are independent of the population distribution
Confidence intervals are independent of the sample size
https://harrisburgu.instructure.com/courses/17910/quizzes/85965 Page 2 of 7
Unit 10 - Quiz #4 - Analyze Phase
Due Sep 21 at 11:59pm
Points 100
Questions 20
Available Sep 16 at 12am - Sep 21 at 11:59pm
Time Limit 45 Minutes
Allowed Attempts 3
Instructions
You have one hour to completed this quiz. It is 20 multiple choice questions. Once you start the quiz
you must finish it. You can not stop and restart it.
Take the Quiz Again
Attempt History
Attempt Time Score
KEPT Attempt 2 14 minutes 90 out of 100
LATEST Attempt 2 14 minutes 90 out of 100
Attempt 1 10 minutes 85 out of 100
Answers will be shown after your last attempt
Score for this attempt: 90 out of 100
Submitted Sep 20 at 7:46pm
This attempt took 14 minutes.
Question 1
pts
The One-way ANOVA (one-way analysis of variance) is a statistical method to compare means of two
or more populations.
https://harrisburgu.instructure.com/courses/17910/quizzes/85965 Page 1 of 7
, Unit 10 - Quiz #4 - Analyze Phase: PMGT 550-90- O-2025/Late Summer - QualityMgmt &Improvement 9/20/25, 7:47 PM
[ ] True [ ] False
True
Correct
False
Question 2
pts
. If the p-value of a t test is 0.6656 and the alpha level is 0.05 then we __________ the null
hypothesis and we claim that the means of two groups are __________ .
[ A ] fail to reject [ C ] reject
[ B ] equal [ D ] unequal
AB
AD
BC
CD
Question 3
pts
As the scatter of points around a regression line becomes greater, the r-squared value will:
Become larger
Become smaller
Approach a value of 1
Be unaffected
Question 4
pts
Which of the following statements is true?
Confidence intervals are always symmetrical
Confidence intervals increase in width as the sample size increases
Confidence intervals for the mean are independent of the population distribution
Confidence intervals are independent of the sample size
https://harrisburgu.instructure.com/courses/17910/quizzes/85965 Page 2 of 7
