Comparing data (Edexcel GCSE Maths): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does comparing data involve?
What does comparing data involve?
Calculating same stats for each dataset
What is the key to effective data comparison?
What is the key to effective data comparison?
Consistency - same stats for all sets
Which are measures of spread?
Which are measures of spread?
Range
What do dual bar charts allow you to compare?
What do dual bar charts allow you to compare?
Frequency distributions side by side
What do back-to-back stem and leaf diagrams show?
What do back-to-back stem and leaf diagrams show?
All individual data values for both sets
What should Step 2 of comparing data include?
What should Step 2 of comparing data include?
Sentences comparing which is higher/lower
What must support all conclusions about data?
What must support all conclusions about data?
Numerical evidence from calculations
What does a smaller range indicate?
What does a smaller range indicate?
More consistent results
When writing about consistency, what should you reference?
When writing about consistency, what should you reference?
The smaller range value
What if statistics from two datasets are similar?
What if statistics from two datasets are similar?
State results are comparable