Statistics Quiz
Authored by DUMTOCHUKWU NNAKENYI
Mathematics
University
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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of inferential statistics?
Describe data
Generalize from sample to population
Organize data
Visualize data
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a type of inference?
Conclusive
Abstract
Deductive
Objective
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The distribution of sample statistics drawn repeatedly from a population is known as:
Frequency distribution
Cumulative distribution
Sampling distribution
Normal distribution
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The standard deviation of the sampling distribution of the sample mean is called:
Mean square error
Standard deviation
Standard error
Variance
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which factor reduces the standard error?
Decreased variation
Increased standard deviation
Decreased sample size
Increased sample size
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The null hypothesis (H₀) usually states:
There is a difference
The result is significant
There is no difference
The sample is biased
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a p-value represent?
The confidence level
The probability of a hypothesis being true
The probability of obtaining the observed results if H₀ is true
The size of the effect
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