Deciding Which Average to Use (Leaving Cert Mathematics): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does the mode represent in a dataset?
What does the mode represent in a dataset?
The most frequently occurring value
When is the mode particularly useful?
When is the mode particularly useful?
When dealing with categorical data
What is a key advantage of the mode?
What is a key advantage of the mode?
Not influenced by extreme values
How is the mean calculated?
How is the mean calculated?
Add all values & divide by the count
When does the mean work best?
When does the mean work best?
When data is closely grouped together
What is a major disadvantage of the mean?
What is a major disadvantage of the mean?
Heavily influenced by outliers
What is the median?
What is the median?
The middle value when data is ordered
When is the median most suitable?
When is the median most suitable?
When data contains outliers
What is a key advantage of the median?
What is a key advantage of the median?
Unaffected by extreme values
How do outliers affect the mean and median differently?
How do outliers affect the mean and median differently?
Mean is pulled; median stays stable
In the letters example (data: 2,0,5,3,4,0,1,0,3,15), which average is best?
In the letters example (data: 2,0,5,3,4,0,1,0,3,15), which average is best?
Median
For consumer preference surveys about can sizes, which average is most valuable for production?
For consumer preference surveys about can sizes, which average is most valuable for production?
Mode