Line of best fit (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 a line of best fit?
What is the purpose of a line of best fit?
To summarize data trends
What is the purpose of using a ruler when drawing a line in statistics?
What is the purpose of using a ruler when drawing a line in statistics?
To ensure the line is straight
What does the mean point represent?
What does the mean point represent?
The average of all points
How should the line of best fit be extended?
How should the line of best fit be extended?
Beyond the data range
What type of correlation shows both variables increase?
What type of correlation shows both variables increase?
Positive correlation
What is the first step in making predictions?
What is the first step in making predictions?
Identify the known value
What is a common mistake when drawing a line of best fit?
What is a common mistake when drawing a line of best fit?
Forcing it through (0,0)
How is the mean x-coordinate calculated in statistics?
How is the mean x-coordinate calculated in statistics?
Sum of x-values divided by count
What is a common mistake in exams?
What is a common mistake in exams?
All of the above
What does a negative correlation indicate?
What does a negative correlation indicate?
One variable increases, other decreases