Unit 3 Flashcards
1
Q
Equation for mean from frequency table
A
Sum of fx/sum of frequency
2
Q
How to work out an angle in a pie chart from a percentage
A
Angle = Percentage x 3.6
Or
Angle= amount/total X 360
3
Q
How to calculate the angles in a pie chart from frequency
A
360/frequency
Then frequency(individual frequency’s of each group) X Answer
4
Q
In a frequency polygon which axis does the frequency go on?
A
The y axis
5
Q
In a cumulative frequency which axis does the frequency go on?
A
The Y axis
6
Q
Mean in frequeny table
A
Mean=fx/f
