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End term 2 math test - Coggle Diagram
End term 2 math test
Averages
Estimate range
Largesst possible data value - smallest possible data value
Modal Interval
Class interval with most frequency
Estimate mean (avg)
2.mp
3.Total (f) and total (mp.f)
1.mp= (upper value + lower value)/2
4.Total (mp.f) / total (f)
Median Interval
First cumulative frequency = first frequency
Next cumulative frequency = previous cf + next frequency
Simple interest
I=P.r.t
A=P+I
Linear graphs
Equation of a straight line: y=mx+c
m is then slope/gradient
c is known as the y-intercept
Calculating gradient/slope
Rise/run, change in y/change in x