In scientific graphs, one almost never "connects the dots". That's why another name for trendline is best-fit line. It may or may not actually pass through any particular points. You should notice that the trendline is the best line that fits through the points. ![]() In the example above, we had Excel calculate and plot a linear trendline through the points. Experimental Design Project Toggle Dropdown.11 Reporting the Results of a Statistical Test.6 Scatter plot, trendline, and linear regression.5.6 Discussing statistics in your scientific writing.5.4 A test for differences of sample means: 95% Confidence Intervals.5.2 P and Detecting Differences in Variable Quantities.3.3 Calculating Descriptive Statistics using Excel.3.1 Describing Quantities and Their Variation.Excel Reference and Statistics Manual Toggle Dropdown.Appendix A: Calculation Final Concentrations.3.1 Specific details regarding scientific writing. ![]() ![]()
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