line of best fit

  1. S

    Prediction Intervals in Excel

    Hello, I have created a scatter plot and graphed the line of regression in Microsoft Excel for my data set. I have been trying to figure out how to add prediction intervals to the chart for two days now, and I can't seem to figure it out. I can find confidence intervals, but that's not what I...
    • SageRaziel
    • Thread
    • graph line of best fit line of regression prediction interval scatter plot
    • Replies: 0
    • Forum: Excel Questions
  2. M

    line of best fit, linear regression, angle of line of best fit - VBA

    Hello,I would greatly appreciate some help with this problem. I am using excel 2003, windows 7.I have been trying to work out which worksheet or vba function to use to calculate the following - but I just can't get the right answer. There are multiple facets to the vba sub I am trying to...
  3. D

    How to Create a Trendline for Data Points of Different Weights?

    I have a scatter plot of X and Y data points. Each point is made up of some number of items. How can I weight the points so that the trendline doesn't count a point that is made up of 10 items the same as it counts a point that is made up of 100 items? An example of my data: X .... Y ...
    • dmmx3
    • Thread
    • line of best fit scatter plot trendline weighted
    • Replies: 13
    • Forum: Excel Questions

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