The Shape of a Distribution (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
In a symmetrical distribution, what is the relationship between mean, median, and mode?
In a symmetrical distribution, what is the relationship between mean, median, and mode?
In a positive skew distribution, what is the relationship between mean, median, and mode?
In a positive skew distribution, what is the relationship between mean, median, and mode?
In a negative skew distribution, what is the relationship between mean, median, and mode?
In a negative skew distribution, what is the relationship between mean, median, and mode?
What shape does a symmetrical distribution create when drawn as a smooth line?
What shape does a symmetrical distribution create when drawn as a smooth line?
Bell-shaped curve
In a positive skew distribution, which direction does the tail extend?
In a positive skew distribution, which direction does the tail extend?
To the right
In a negative skew distribution, which direction does the tail extend?
In a negative skew distribution, which direction does the tail extend?
To the left
Which measure of central tendency is always pulled in the direction of the skew?
Which measure of central tendency is always pulled in the direction of the skew?
Mean
Which is a real-life example of a symmetrical distribution?
Which is a real-life example of a symmetrical distribution?
Heights of people in a large sample
Which is a real-life example of positive skew?
Which is a real-life example of positive skew?
Income distribution
Which is a real-life example of negative skew?
Which is a real-life example of negative skew?
Exam scores when most students do well
A distribution has its peak on the left and tail on the right. What type is it?
A distribution has its peak on the left and tail on the right. What type is it?
Positive skew
Why is the mean affected more than median in skewed distributions?
Why is the mean affected more than median in skewed distributions?
Mean is affected by extreme values