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5278x -

The table shows the distribution of test scores of pupils in ... - Filo

arises during the "cross-multiplication" phase. For instance, in a common version of this problem where the mean is 25358253 over 58 end-fraction The total sum of scores ( ∑fixisum of f sub i x sub i ) is calculated as The total number of pupils ( ∑fisum of f sub i The equation becomes: When you cross-multiply , the first term you get is . 3. Step-by-Step Resolution Expand the sides : Isolate : Simplify : Final Result : In the context of statistical distribution homework, 5278x5278 x is the product of , used to solve for the variable The table shows the distribution of test scores of pupils in

typically appears as a key step in a cross-multiplication equation used to solve for an unknown variable in a frequency table. 1. Context of the Equation 5278x5278 x is the product of

Sum all: (x+1)+(4x+2)+(9x+6)+(16x+12)+(25x+20)+(36x+ Sum all x terms: x+4x+9x+16x+25x+36x=91x Sum all constant terms: 1+2+6+12+20+ The table shows the distribution of test scores of pupils in