Maths

Maths

1. Histograms

   • Frequency density (height)= frequency (area) divide/ class width (base of the bar)

2. Indicies

3. Stratified Sampling

   • Stratified Sample = sample size /divide by the population size and then times by the stratum size in which they ask for in the question.
     • e.g 100/1000 x 100= stratified sample

4. Circle theorem

5. Volume of cones and spheres

6. Graphs

   • Transformation of graphs

7. Angles

8. Trignometery

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