Seasonal variations (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 is seasonal variation in statistics?
What is seasonal variation in statistics?
Regular patterns at specific times
How do you calculate seasonal variation?
How do you calculate seasonal variation?
Actual value - Trend value
What does the mean seasonal variation represent?
What does the mean seasonal variation represent?
Typical seasonal effect expected
What is the predicted value formula?
What is the predicted value formula?
Trend value + Estimated mean seasonal variation
Why are predictions less reliable long-term?
Why are predictions less reliable long-term?
Trends may not continue indefinitely
What happens to ice cream sales in winter?
What happens to ice cream sales in winter?
Drop in sales
What is the first step in calculating seasonal variations?
What is the first step in calculating seasonal variations?
Identify actual values
What is a common seasonal pattern in student enrollment?
What is a common seasonal pattern in student enrollment?
Peak in autumn terms
What do seasonal variations help businesses do?
What do seasonal variations help businesses do?
Make better predictions
What is a limitation of seasonal variation analysis?
What is a limitation of seasonal variation analysis?
It may not apply indefinitely