Skewness (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
What is a key characteristic of positive skewness?
What is a key characteristic of positive skewness?
Mean > Median > Mode
How can you identify negative skewness in a box plot?
How can you identify negative skewness in a box plot?
Median is closer to upper quartile
What does a skewness value of zero indicate?
What does a skewness value of zero indicate?
Perfect symmetry
What is the shape of a symmetrical distribution?
What is the shape of a symmetrical distribution?
Bell-shaped
Which of these indicates positive skewness?
Which of these indicates positive skewness?
Mean > median > mode
What is a long tail towards higher values called?
What is a long tail towards higher values called?
Positive skew
What does the sign of skewness tell you?
What does the sign of skewness tell you?
Direction of skewness
What is the main reason for calculating skewness?
What is the main reason for calculating skewness?
To understand data shape
In a dataset with Mode > Median > Mean, what skewness?
In a dataset with Mode > Median > Mean, what skewness?
Negative
Why is the factor 3 included in the skewness formula?
Why is the factor 3 included in the skewness formula?
To standardise measurements