Moving averages (AQA GCSE Statistics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What is the purpose of a trend line?
What is the purpose of a trend line?
To identify overall data direction
Where do you plot a 3-point moving average?
Where do you plot a 3-point moving average?
At the middle time period
How do you plot a 4-point moving average?
How do you plot a 4-point moving average?
At the midpoint of 2nd and 3rd
Which data points can significantly affect the accuracy of a trend line?
Which data points can significantly affect the accuracy of a trend line?
Outlier data points
What does a downward trend line indicate?
What does a downward trend line indicate?
Sales are decreasing
What is essential for accurate trend analysis?
What is essential for accurate trend analysis?
Correct positioning of averages
What should a trend line represent?
What should a trend line represent?
Overall pattern of averages
How should moving averages be described?
How should moving averages be described?
Using precise language
What is a common mistake in exams?
What is a common mistake in exams?
Incorrectly positioning averages
What should be balanced around a trend line in a dataset?
What should be balanced around a trend line in a dataset?
Data points above and below