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WAEC/NECO MATHEMATICS/PHYSICS SYMBOLS

Below are the Maths Symbols you will see in Our Solutions Tomorrow, So u need to study them very well.     / means DIVISION * means multiplication tita u should know dat. rais means raise to power ^ means raise to power sqr rut/ squar rut means square root —-(1) means equation 1 yr means year f(x-xbar) means x MINUS x BAR as in statistics which means that MINUS WILL BE ON TOP OF x. , (Comma) means NEXT LINE, THIS MEANS THAT THE FOLLOWING NUMBER IS UNDER THE NUMBER IT IS FOLLOWING i.e UNDER. It is usually used during STATISTICS when drawing a table. EXAMPLE 1. X:1,2,3,4,5,6 FX: 4,6,8,10,12 FX-Xbar: 10,8,6,4,2,1 DRAW A TABLE WITH X|FX|(FX- Xbar) The above statement means that: ~For X, it has 1 2 3 4 5 6 under it. which means 1 is under 2, 2 is under 1, 3 is under 2, 4 is under 3 and so on… ~Under FX you have 4, then 6 under 4, then 8 under 6, then 10 under 8, then 12 under 10….. ~Under FX-Xbar you have 10, then 8 under 10, then 6 under 8, then 4 under 6, then 2 under 4, then 1 under 2…. ANOTHER EXAMPLE: Class interval: 60-64,65-69,70-74,75-79,80-84,85-89,90-94,95-99. X: 62,67,72,77,82,87,92,97. F: 2,3,6,11,8,7,2,1. FX: 124,201,432,847,656,609,184,97. F(x-x bar)2: 561.12,414.18,273.36,33.66,84.48,476.42,351.12,333.06 MEANING OF THE ABOVE EXPRESSION: Bar means Minus on top of d number or Variable and comma means next line which means each of them are unda. Eg 60-64 is unda Class interval, then 65-69 is unda 60-64,etc .So comma means unda. NOTE THAT WHEN U SEE SOMETHING LIKE THE ABOVE TWO EXAMPLES, U WILL NEED TO DRAW A TABLE.. I WILL UPDATE MORE LATER.  
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Categories: NECO SSCE Syllabus Questions, WAEC Syllabus Past Questions and Answers

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