Z-test & T-test Assessment Test
10 Questions
| Total Attempts: 77
Z-test and T-test are two different tests used for statistical hypothesis testing. Take this assessment test to assess your knowledge of these tests.
Questions and Answers
- 1.
![What is used when we want to know whether the difference between a sample mean and the population mean is large enough to be statistically significant? - ProProfs]( "What is used when we want to know whether the difference between a sample mean and the population mean is large enough to be statistically significant?")
What is used when we want to know whether the difference between a sample mean and the population mean is large enough to be statistically significant?- A.
One-Sample z-test
- B.
F test
- C.
Line test
- D.
Litmus test
- 2.
![What is used for comparing the means of two populations if you do not know the populations' standard deviation? - ProProfs]( "What is used for comparing the means of two populations if you do not know the populations' standard deviation?")
What is used for comparing the means of two populations if you do not know the populations' standard deviation?- A.
J test
- B.
Q test
- C.
O test
- D.
T test
- 3.
![When you know the populations' standard deviation, what do you use? - ProProfs]( "When you know the populations' standard deviation, what do you use?")
When you know the populations' standard deviation, what do you use?- A.
P test
- B.
Z test
- C.
M test
- D.
S test
- 4.
![When you know the populations' standard deviation, what do you use? - ProProfs]( "When you know the populations' standard deviation, what do you use?")
When you know the populations' standard deviation, what do you use?- A.
Z test
- B.
Null test
- C.
P test
- D.
M test
- 5.
![Statistical calculations that can be used to compare population means to a sample is... - ProProfs]( "Statistical calculations that can be used to compare population means to a sample is...")
Statistical calculations that can be used to compare population means to a sample is...- A.
O test
- B.
Z test
- C.
T test
- D.
Sample test
- 6.
![T test is used when you have... - ProProfs]( "T test is used when you have...")
T test is used when you have...- A.
Lot of value
- B.
Little value
- C.
Limited sample
- D.
Too much sample
- 7.
![If your T-Score is above 50, then it is... - ProProfs]( "If your T-Score is above 50, then it is...")
If your T-Score is above 50, then it is...- A.
Average
- B.
Below average
- C.
Above average
- D.
Exactly average
- 8.
![Which calculations are used to test a hypothesis? - ProProfs]( "Which calculations are used to test a hypothesis?")
Which calculations are used to test a hypothesis?- A.
T test
- B.
F test
- C.
Litmus test
- D.
Theory
- 9.
![If the mean change score is not significantly different from zero... - ProProfs]( "If the mean change score is not significantly different from zero...")
If the mean change score is not significantly different from zero...- A.
No significant change occurred
- B.
Value is wrong
- C.
Change occurred
- D.
Value is correct
- 10.
![Which of these shows how likely a sample result is to occur by random chance?
- ProProfs]( "Which of these shows how likely a sample result is to occur by random chance?")
Which of these shows how likely a sample result is to occur by random chance?- A.
P value
- B.
Null test
- C.
K test
- D.
M test
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