Histograms (Leaving Cert Mathematics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What type of data are histograms specifically used to display?
What type of data are histograms specifically used to display?
Continuous data
What is the key visual difference between histograms and bar charts?
What is the key visual difference between histograms and bar charts?
Bars touch with no gaps
In a histogram, what does the area of each bar represent?
In a histogram, what does the area of each bar represent?
Frequency
What are the groups in a histogram called?
What are the groups in a histogram called?
Classes or class intervals
What should the vertical axis of a histogram be labelled with?
What should the vertical axis of a histogram be labelled with?
Frequency
What is the modal class in a histogram?
What is the modal class in a histogram?
Interval with highest frequency
How do you identify the modal class from a frequency table?
How do you identify the modal class from a frequency table?
Find class with highest frequency
What is the median class in a histogram?
What is the median class in a histogram?
Interval containing middle value
What formula finds the median position for values?
What formula finds the median position for values?
For 32 students with cumulative frequency 11 in first 3 classes, where is the 16th student?
For 32 students with cumulative frequency 11 in first 3 classes, where is the 16th student?
In the 4th class interval
What can you determine by adding up all the bar heights in a histogram?
What can you determine by adding up all the bar heights in a histogram?
Total frequency
Why do students commonly confuse mode with modal class?
Why do students commonly confuse mode with modal class?
Modal class is interval not value