AS Maths

Sample Data

Question	How do we find the LQ/UQ for grouped data?
Answer	- Use 1/4 x n or 3/4 x n accordingly to find position of LQ/UQ- then use linear interpolation
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Front	Visualise the cosine graph and describe its key features: (5)
Back	- Repeats every 360°- Ranges from -1 to 1- Doesn’t go through origin- Starts at 1- Symmetrical about y-axis so an even function

Text	If A and B are mutually exclusive then P(A u B) = {{c1::P(A) + P(B) }}
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