Hi, I have done a simple scattergraph and I need to insert a trendline to get the equation so I can find more values.
I insert a trendline and it changes my y axis scale and starts below 0. I don't want this to happen
I also click on show equation and it gives me something like Y = 0.123 - 0.321 I should be getting an equation that is y = mx+c......not - c.
I knew this equation was wrong but I manually substituted the y and x with known values to double check the equation was correct but it gives an answer nowhere near the correct answer.
I'm not very knowledgable when it comes to excel so please try explain in simple terms
I would be so grateful if anyone could help thank you!!!!
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