Interpolation and extrapolation (Edexcel GCSE Statistics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does interpolation estimate relative to data points?
What does interpolation estimate relative to data points?
Within data range
Why is interpolation considered more reliable than extrapolation?
Why is interpolation considered more reliable than extrapolation?
Within data range
What point does the line of best fit always pass through?
What point does the line of best fit always pass through?
Mean point of data
In the candle example, what was the estimated lifetime at 15cm height?
In the candle example, what was the estimated lifetime at 15cm height?
21.5 hours
Which is an essential step before drawing the line of best fit?
Which is an essential step before drawing the line of best fit?
Calculate mean point
What is a common exam mistake regarding interpolation and extrapolation?
What is a common exam mistake regarding interpolation and extrapolation?
Not stating which method used
What is a characteristic of a reliable estimate?
What is a characteristic of a reliable estimate?
Within data range
In a car prices example, what indicates an extrapolation?
In a car prices example, what indicates an extrapolation?
Car 6.5 years old
What property ensures the line of best fit is correctly drawn?
What property ensures the line of best fit is correctly drawn?
Passes through mean point
Why should you comment on reliability in answers?
Why should you comment on reliability in answers?
To explain if estimate is reliable