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Chapter 1: Introduction to Statistics Flashcards | StudBud
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Chapter 1: Introduction to Statistics
Chapter 1: Introduction to Statistics
10 terms
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#Quiz on Chapter 1 of Probability and Statistics #Introductiontostatistcs
Flashcards
10 cards
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Practice quiz
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Questions
10
Answers
1
A statistic is
A parameter.
A numerical description of a population.
A numerical description of a sample characteristic.
A subset of a sample.
2
Zip Code Zones in Orange County
Convenience Sample
Random Sample
Cluster Sample
Stratified Sample
3
A population is
A subset of a sample
More specific
A collection of SOME outcomes
A collection of ALL outcomes
4
Every 3rd, 5th, or 100th member is selected
Stratified Sample
None of these
Convenience Sample
Systematic Sample
5
A sample is less descriptive than a population.
True
False
6
Which of the following is false about a Convenience Sample?
Leads to bias studies
All of these are true
Consists only of available members of a population
It is recommended over of all other sampling methods
7
When is it most appropriate to use a cluster sample?
Survey academic performance of high school students in Spain
Clusters occur naturally in a population
The sample clusters are geographically convenient
Selecting a simple random sampling of the groups
8
Why is a sample consisting of only college students ages 18-22 considered bias?
The sample represents only males.
It isn't representative of all 18-22-year-olds.
Not everyone goes to college.
The sample represents only students who live on campus.
9
A census is costly and difficult to perform.
True
False
10
A statistic is a numerical description of a sample.
True
False
