Histograms (AQA A-Level Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What is the key visual difference between histogram bars and bar chart bars?
What is the key visual difference between histogram bars and bar chart bars?
Histogram bars touch; bar chart bars have gaps
Which type of data should be represented using a histogram?
Which type of data should be represented using a histogram?
Continuous data
What is the modal class in a histogram?
What is the modal class in a histogram?
Bin with highest bar/highest frequency
In a histogram, what does the area of each bar represent?
In a histogram, what does the area of each bar represent?
Frequency of data in that bin
A bin has frequency and class width . What is the frequency density?
A bin has frequency and class width . What is the frequency density?
What term describes a histogram with the tail extending to the left?
What term describes a histogram with the tail extending to the left?
Negatively skewed (left-skewed)
Given time intervals -, -, - minutes, how should gaps be treated?
Given time intervals -, -, - minutes, how should gaps be treated?
Split difference: ,
For open-ended classes with no information, what width should the final class have?
For open-ended classes with no information, what width should the final class have?
Double the width of previous class
A bin has frequency density and width . How many data points are in this bin?
A bin has frequency density and width . How many data points are in this bin?
For equal bin widths in a histogram, what does bar height directly represent?
For equal bin widths in a histogram, what does bar height directly represent?
Frequency of data points