market research Flashcards
What is a histogram
Similar to bar charts but there is one important difference
It is not the height of the bar that represents the value but the area of each bar
This is because Histograms measure frequencies from grouped data
The area of the histogram represents the frequency
Histograms are used for continuous data
What is a pie chart
These are used to present information when it is important to show the proportions of the total
Each section of the ‘pie’ shows how significant that part of the data is when compared with the total
why do people use le pie chart
These allow for easy comparison
The size of each section is determined by the angle at the centre of the circle
Value of one section x 360 degrees
Total value of all sections
What is a pictogram
In a pictogram, pictures are used to represent numbers
know what else is good to have
Mad skillz!
