Inference in Practice
Authored by Jeb Barnard
Mathematics
University
CCSS covered
Used 1+ times
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9 questions
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1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
What are the requirements to making a statistical inference?
Simple Random Sample
Known Population Mean
Normal(ish) Distribution
Known Population SD
Convenience Sample
Tags
CCSS.HSS.IC.B.5
CCSS.HSS.IC.B.4
CCSS.HSS.IC.A.1
CCSS.HSS.IC.B.3
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What kind of error is made if we reject a null hypothesis that is actually true?
Type I Error
No Error
Type II Error
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is a hypothesis test?
A formal statistical test that is used to determine if some hypothesis about a population parameter is true
A range of values that is likely to contain a population parameter with a certain level of confidence.
Tags
CCSS.HSS.IC.B.4
CCSS.HSS.IC.A.1
CCSS.HSS.IC.A.2
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
If the p-value is higher than the statistical significance level, then the null hypothesis is...
Rejected
Failed to be Rejected
Insignificant
A False Statement
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The effect size doesn't have an effect of statistical significance.
True
False
Tags
CCSS.HSS.IC.B.5
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The level of statistical significance can directly predict effect size.
True
False
Tags
CCSS.HSS.IC.B.5
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
How does sample size affect the z-value?
Directly
Indirectly
Tags
CCSS.HSS.IC.B.4
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