
Unit 1 II Maths stat

Quiz
•
Mathematics
•
University
•
Medium
sr. celestine
Used 1+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A population refers to:
A sample of individuals
A subset of data
The entire set of individuals or items under study
None of the above
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A statistic is:
A characteristic of the population
A numerical summary of a sample
Always equal to the parameter
Not related to inference
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A parameter is:
Calculated from the sample
A fixed but unknown value describing the population
Always known
Not used in estimation
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a parameter?
Sample mean
Sample variance
Sample median
Population mean
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The purpose of using a sample is to:
Make inferences about the population
Replace the population
Increase cost
Avoid statistics
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A point estimator provides:
No useful information
An interval
An estimate for the entire population
A single value estimate of a parameter
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a point estimator?
Confidence interval
Sample mean
Sample size
Population
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