Making estimates (AQA GCSE Statistics): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the purpose of making estimates?
What is the purpose of making estimates?
To predict population characteristics
What does the lower quartile (Q1) represent?
What does the lower quartile (Q1) represent?
25% of values below it
How do you convert 30% to decimal form?
How do you convert 30% to decimal form?
0.3
What is the estimation formula used?
What is the estimation formula used?
Sample percentage x total population
If 50% of a sample is above the median, what is true?
If 50% of a sample is above the median, what is true?
50% is below the median
What does the 75th percentile indicate?
What does the 75th percentile indicate?
75% of values are below it
What percentage of patients are below the median in a dataset of 41,500 patients?
What percentage of patients are below the median in a dataset of 41,500 patients?
50%
What distinguishes quartiles from percentiles in statistics?
What distinguishes quartiles from percentiles in statistics?
Quartiles divide data into four parts
What is the five-number summary?
What is the five-number summary?
Min, Q1, median, Q3, max
What should you check after estimating?
What should you check after estimating?
If the answer is reasonable