Describing and Comparing Distributions (HSC SSCE Mathematics Standard): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What describes a smooth distribution?
What describes a smooth distribution?
Data changes gradually without breaks
A distribution has data concentrated on the left with a long tail to the right. What is this?
A distribution has data concentrated on the left with a long tail to the right. What is this?
Positively skewed
What is a bimodal distribution?
What is a bimodal distribution?
Two distinct peaks or modes
What is a key disadvantage of the mean?
What is a key disadvantage of the mean?
Strongly influenced by outliers
Why is the median preferred when data contains outliers?
Why is the median preferred when data contains outliers?
Not affected by outliers
Which measure of location can be used with categorical data?
Which measure of location can be used with categorical data?
Mode
What is the main disadvantage of the range?
What is the main disadvantage of the range?
Depends only on two extreme values
What does the interquartile range (IQR) represent?
What does the interquartile range (IQR) represent?
Spread of the middle 50% of data
For data with outliers, which measures should be used together?
For data with outliers, which measures should be used together?
Median and IQR
How is skewness named?
How is skewness named?
After the tail direction