The equation of a line of best fit (AQA 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 'a' represent in y = ax + b?
What does 'a' represent in y = ax + b?
slope
How do you find the gradient of a line?
How do you find the gradient of a line?
height ÷ base
What is the y-intercept in y = ax + b?
What is the y-intercept in y = ax + b?
Value when x=0
What indicates a positive correlation?
What indicates a positive correlation?
Gradient is positive
What is the formula for the gradient?
What is the formula for the gradient?
height ÷ base
How do you find the y-intercept using a point?
How do you find the y-intercept using a point?
b = y - ax
What does a gradient of 2.9 mean?
What does a gradient of 2.9 mean?
2.9 drinks sold per degree
What should you avoid when finding the gradient?
What should you avoid when finding the gradient?
Counting grid squares
What does a negative gradient indicate?
What does a negative gradient indicate?
Negative correlation
What is the first step to find the line of best fit?
What is the first step to find the line of best fit?
Choose two points