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When using Excel to generate this graph, be sure to pay attention to the following points: When adding the trendline, right-mouse click over a data point. From the context menu, select: Linear as the Trend/Regression Type Set intercept 0,0 Display line on chart Display R-squared value on chart For this graph, the slope . . . → Read More: Graph this! (Practice) – Add a trendline When you prepare your computer-generated graph for next week, do NOT use the Physics software “Graph it”. “Graph it” is a macro for Excel. You should learn to generate the graph from inputting the data in Excel. Start by inputting the data points into Excel, select the points and click Insert > Scatter (see . . . → Read More: How to insert a graph in Excel Many important relationships can be expressed by graphing. For the analysis of materials, a standard curve is used to determine the concentration of a substance (i.e. – the unknown sample). The analyst first prepares samples of the substance in various known concentrations (i.e. – the standards). The method of preparation should be similar to . . . → Read More: Graph this! (Practice) – Due next week Introduction: Welcome, class! Course outline Calendar Laboratory Lab orientation Grading Scheme Review: Significant figures Rules for determining significant figures Rules for rounding numbers Calculations involving significant figures Rules for addition and subtraction Rules for multiplication and division Rules for . . . → Read More: Introduction, Review, Graphing |
Check your email about Practical Assessment 1 and due dates of last week's lab and the correction graph. When and where to pick up your Practice Graph next week | |