5278x «Reliable»

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

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

in a mean score calculation. For the standard version of this problem found on educational platforms like Filo , the value of is . the value of is .