
Statistics and Probability
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Medium
Shienah Maja
Used 2+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following describes the level of significance?
It is the probability of making the wrong decision when the null hypothesis is true.
It gives us the confidence level in accepting or rejecting the null hypothesis.
It is the probability of the given sample size.
It is the confidence level in accepting
None of the above
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When the given alternative hypothesis is directional, it is?
One-Tailed
Two-Tailed
Either one-tailed or two-tailed
Neither one-tailed nor two-tailed
Both one tailed and two tailed
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In hypothesis testing, what is the last thing to be done?
Determine the critical value of the given problem.
Formulate your null and alternative hypotheses.
Present your findings/conclusions
Decide whether to accept or reject the null hypothesis.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is the type of hypothesis that shows no significant difference between two parameters, and is denoted by Ho.
Type 1 error
Type 2 error
Null hypothesis
Alternative hypothesis
Rejection Region
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Based on the report of the school nurse, the average weight of Grade 11 students has increased. Two years ago, the average weight of Grade 11 students was 40 kg with a standard deviation of 6kg. She took a random sample of 100 students and derived the average weight is 45kg. What are the appropriate test statistics to be used in this problem?
Z- test
T- test
F- test
N- test
W- test
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A researcher want sto determine if a new teaching method improves student test scores. A random sample of 25 student is selected, and their test scores after the new teaching method are recorded. The mean test score for this sample is 80 with a standard deviation of 10. What is the appropriate test statistics to be used in the problem?
Z-test
T-test
F-test
N-test
W-test
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The mean weight of a population of oranges is claimed to be 170 grams and has a standard deviation of 5grams. A sample of 16 oranges is selected, and their mean weight is found to be 135 grams with a standard deviation of 8 grams. What are the appropriate test statistics to be used in this problem?
Z-test
T-test
F-test
N-test
W-test
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