Z-test & T-test Assessment Test
10 Questions
| Total Attempts: 140
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?- 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?
- A.
J test
- B.
Q test
- C.
O test
- D.
T test
- 3.
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?
- 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...
- A.
O test
- B.
Z test
- C.
T test
- D.
Sample test
- 6.
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...
- A.
Average
- B.
Below average
- C.
Above average
- D.
Exactly average
- 8.
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...
- 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?
- A.
P value
- B.
Null test
- C.
K test
- D.
M test
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