The shape of a distribution (Edexcel GCSE Statistics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which distribution shape is perfectly balanced around its centre?
Which distribution shape is perfectly balanced around its centre?
Symmetrical
In a positive skew distribution, where is most data concentrated?
In a positive skew distribution, where is most data concentrated?
At the lower values
What characterizes a negatively skewed distribution?
What characterizes a negatively skewed distribution?
Long tail to lower values
Where are the tails located in a distribution?
Where are the tails located in a distribution?
On the left and right ends
If a histogram has a longer tail on the right, what is its skew?
If a histogram has a longer tail on the right, what is its skew?
Positively skewed
What does a stem-and-leaf diagram show about data?
What does a stem-and-leaf diagram show about data?
Data spread and shape
How does the shape of a distribution affect analysis?
How does the shape of a distribution affect analysis?
It guides the choice of analysis methods
What is a key sign of a symmetrical distribution?
What is a key sign of a symmetrical distribution?
Mirror-image sides
Which type of skew has a longer tail pointing towards lower values?
Which type of skew has a longer tail pointing towards lower values?
Negative skew
Why is it important to identify the longer tail in a distribution?
Why is it important to identify the longer tail in a distribution?
To identify the skew type