It is good to remember that the points on scatter graphs represent subjects. The number of points on the graph tells us the number of subjects. Practice scatter graphs questions 1. A student recorded how many glasses of water they drank and how many packets of crisps they ate each day for...
Straight line graphs GCSE questions1. Circle the coordinate that lies on the line 6x+12y=06x+12y=06x+12y=0 (12,6) (18,0) (2,0) (2,-1) (-4,-2) (1 mark) Show answer 2. (a) Two straight lines intersect at the point P. P. P. Calculate the coordinate of P. P. P....
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The lower quartile is (n+1)/4 th value (n is the cumulative frequency, i.e. 157 in this case) and the upper quartile is the 3(n+1)/4 the value. The difference between these two is the interquartile range (IQR). In the above example, the upper quartile is the 118.5th value an...
Gradients GCSE Maths revision looking at gradients and equations of a line, graphs and curve. This page includes a video that looks at gradients and graphs.
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Plotting graphs GCSE questions1. (a) Complete the table of values for y=3x−5.y=3x−5.y=3x−5. (b) On the grid draw the graph of y=3x−5,y=3x−5,y=3x−5, for the values of xxx from −1−1−1 to 3.3.3. (4 marks) Show answer ...