Final score
Create aTrendline and select the Equation forecast the Final
Score for someone getting an 18 on the Placement Score.
^
Can someone explain these answers to me with out using
mathmatical symbols? I think you use the formula from chart but I
am confused how? Thank you
- Placement Score Final Score Create Atrendline And Select The Equation Forecast The Final Score For Someo 1 (27.63 KiB) Viewed 54 times
here, x̅ = Σx / n= 17.750
ȳ = Σy/n = 70.375
SSxx = Σ(x-x̅)² =
237.50
SSxy= Σ(x-x̅)(y-ȳ) =
140.75
correlation coefficient , r =
SSxy/√(SSx.SSy) = 0.3909
Chart Title 100 90 80 y = 0.5926x. +. 59.856... 70 60 50 40 30 20 10 0 0 5 10 15 20 25 30