Populations and Samples (VCE SSCE Mathematical Methods): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a population in statistical terms?
What is a population in statistical terms?
Complete set of individuals we want to study
Why might testing batteries for lifespan prevent studying the entire population?
Why might testing batteries for lifespan prevent studying the entire population?
Data collection destroys what's studied
Which is NOT listed as an advantage of working with a sample?
Which is NOT listed as an advantage of working with a sample?
Guaranteed accurate results
What makes a sample representative?
What makes a sample representative?
Subgroups appear in similar proportions
In a simple random sample, what must be true?
In a simple random sample, what must be true?
Every individual has equal selection chance
Why is selecting students from the front two rows problematic for an eyesight study?
Why is selecting students from the front two rows problematic for an eyesight study?
Vision problems make sitting front likely
What's wrong with surveying only people entering the library about library services?
What's wrong with surveying only people entering the library about library services?
Misses opinions of non-users
If a class has 10 females out of 20 students, what is the population proportion ?
If a class has 10 females out of 20 students, what is the population proportion ?
If a sample of 6 students contains 2 females, what is ?
If a sample of 6 students contains 2 females, what is ?
What is the key difference between and ?
What is the key difference between and ?
is constant; varies