# Linear Trendline

## Linear Trendline

Excel has created a linear trendline with its equations from the following points: X Y

the equations a

R2 = 0.8681

I wonder if you can tell me how excel create this linear trendline from the

Visit publisher's web-site: Linear Trendline

## Related Tutorials

### Excel Linear Trendline Query

I have the below values on an excel scatter plot graph. I can draw a linear trendline through the values by right clicking on a value, hitting "Add Trendline" and hitting "Linear". What I would prefer is to have the values of the linear trendline written on my spreadsheet as at the times of each entry. (ie fill in below "Linear Trendline Value" row).

Does anyone know if this can be done? If not, can anyone suggest an alternative method that would give approximately what I am looking for? Does anyone have any alternative suggestions?

All help will be greatly appreciated, no matter how small. Thanks in Advance for all responses.

(See attachment for Scatter Plot Graph)

Value 2 5 4 3 7 4 9

Linear Trendline Value

### Extrapolation of x value from the trendline of a non-linear graph

I was wondering if it is possible to extrapolate the x value from a given y value on a scatter plot graph?

I would like to extrapolate the value from the trendline produced using the 'moving average' trendline. The trendline is sigmoid shaped This trendline doesn't let me produce an equation so I can't figure out the x value that way If I can't find the x value of the trendline, even the line formed by the data points would be good

### Linear trendline:wrong equation

I created a bar chart in Excel from the following data:

X Y

The SLOPE and the INTERCEPT functions returned -0.136 and 16.448

respectively. The resulting equation is Y = -0.136X + 16.448 which seems good

enough to me.

Then I added a linear trendline to the chart. Excel displayed the following equation: Y = -0.9X + 7.5, R ^2 =1 which is way off (and it's not a rounding

The data seemed Farly linear to me, how come Excel can't come up with the

### Trendline problem

I have a plot (non linear) and I added a trendline (5th polynomial). The trendline looks good with a R2 value of .995. I also displayed the equation of trendline. Now, when I take the equation of trendline and plug back the the X value (same X value which was used to plot the graph) then it gives me very different value of Y.

### Linear Trendline Vs Common Sense

I need to know why the amount of workload this year is down 9% so far, but the linear trend line is up. True, work has increased in recent months, but it is down for the fiscal year-to-date. The linear trend accounts for the recent increases, but not for the fact that the total amount of workload this year has declined when compared to the same time period last year. 'Any

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