Statistics and Probability Quiz
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Medium
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Cayanan, Marie
Used 9+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is a proposed explanation, assertion, or assumption about a population parameter or about the distribution of a random variable
Decision
Statistics
Probability
Hypothesis
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following describes an alternative hypothesis in a left-tailed test?
Ha > 100
Ha < 100
Ha = 100
Ha ≠ 100
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a consideration in using z-test/statistic
Variance is known.
Sample standard deviation is known.
The population mean is less than 30.
Data are normally distributed
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
One-sample t-statistic is used instead of one-sample z-statistic when ___________
μ is known.
σ is known
μ is unknown.
σ is unknown
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the variance is known, what test statistics is appropriate?
t-test
z-test
two-tailed test
one-tailed test
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Based on the Central Limit Theorem, when the sample (n) is extremely large and variance is unknown, what is the statistical test to be used?
t-test
z-test
two-tailed test
one-tailed test
Tags
CCSS.HSS.ID.A.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is the probability of makin a type I error?
0.05
0.01
α
β
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