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. ![]()
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