QMB 2100 FINAL EXAM QUESTIONS
WITH CORRECT ANSWERS
Ho (null) will always have ______ - CORRECT ANSWER✔✔-=
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Ha (alt) will always have _______ - CORRECT ANSWER✔✔-> , < , =/=
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For means, the test stat will always be - CORRECT ANSWER✔✔-Z or t
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For proportions, the test stat will always be - CORRECT ANSWER✔✔-Z
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For means, the test stat will be Z if it meets the following criteria: n is ______ 30 -
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CORRECT ANSWER✔✔-equal to or greater than
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For means, the test stat will be t if it meets the following criteria: n is ______ 30 -
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CORRECT ANSWER✔✔-less than
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specifies values of the test statistic that are "unexpected" and lead us to reject Ho
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- CORRECT ANSWER✔✔-Rejection region
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Rejection region is based on _______, our choice of _______, and the direction
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specified in H_ - CORRECT ANSWER✔✔-sample size, alpha, a
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, "significance level"; probability of rejecting Ho when Ho is true - CORRECT
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ANSWER✔✔-alpha, type I error | | |
probability of accepting Ho when Ha is true - CORRECT ANSWER✔✔-beta, type II
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error
randomly and independently sample from 2 target populations - CORRECT
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ANSWER✔✔-independent sampling |
pair observations together and analyze the difference between the pairs of data -
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CORRECT ANSWER✔✔-paired difference analysis
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CI Interpretation 1:
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(+ , +), Mu1 - M2 is ______ 0... which means M1 is ______ Mu2 - CORRECT
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ANSWER✔✔-greater than, greater than | | |
CI Interpretation 2:
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(- , -), Mu1 - M2 is ______ 0... which means M1 is ______ Mu2 - CORRECT
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ANSWER✔✔-less than, less than | | |
CI Interpretation 3:
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(+ ,-), Mu1 - M2 is ______ 0... which means M1 is ______ Mu2 - CORRECT
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ANSWER✔✔-we cannot determine which mean is bigger | | | | | |
TQM stands for - CORRECT ANSWER✔✔-Total Quality Management
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WITH CORRECT ANSWERS
Ho (null) will always have ______ - CORRECT ANSWER✔✔-=
| | | | | | | |
Ha (alt) will always have _______ - CORRECT ANSWER✔✔-> , < , =/=
| | | | | | | | | | | |
For means, the test stat will always be - CORRECT ANSWER✔✔-Z or t
| | | | | | | | | | | |
For proportions, the test stat will always be - CORRECT ANSWER✔✔-Z
| | | | | | | | | |
For means, the test stat will be Z if it meets the following criteria: n is ______ 30 -
| | | | | | | | | | | | | | | | | |
CORRECT ANSWER✔✔-equal to or greater than
| | | | | |
For means, the test stat will be t if it meets the following criteria: n is ______ 30 -
| | | | | | | | | | | | | | | | | | |
CORRECT ANSWER✔✔-less than
| |
specifies values of the test statistic that are "unexpected" and lead us to reject Ho
| | | | | | | | | | | | | |
- CORRECT ANSWER✔✔-Rejection region
| | | |
Rejection region is based on _______, our choice of _______, and the direction
| | | | | | | | | | | | |
specified in H_ - CORRECT ANSWER✔✔-sample size, alpha, a
| | | | | | | |
, "significance level"; probability of rejecting Ho when Ho is true - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-alpha, type I error | | |
probability of accepting Ho when Ha is true - CORRECT ANSWER✔✔-beta, type II
| | | | | | | | | | | | |
error
randomly and independently sample from 2 target populations - CORRECT
| | | | | | | | | |
ANSWER✔✔-independent sampling |
pair observations together and analyze the difference between the pairs of data -
| | | | | | | | | | | | |
CORRECT ANSWER✔✔-paired difference analysis
| | |
CI Interpretation 1:
| | |
(+ , +), Mu1 - M2 is ______ 0... which means M1 is ______ Mu2 - CORRECT
| | | | | | | | | | | | | | | | |
ANSWER✔✔-greater than, greater than | | |
CI Interpretation 2:
| | |
(- , -), Mu1 - M2 is ______ 0... which means M1 is ______ Mu2 - CORRECT
| | | | | | | | | | | | | | | | |
ANSWER✔✔-less than, less than | | |
CI Interpretation 3:
| |
(+ ,-), Mu1 - M2 is ______ 0... which means M1 is ______ Mu2 - CORRECT
| | | | | | | | | | | | | | | |
ANSWER✔✔-we cannot determine which mean is bigger | | | | | |
TQM stands for - CORRECT ANSWER✔✔-Total Quality Management
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