![]() ![]() When you press the GRAPH button a line that matches your data points will also be in your viewing window. Type L1, a comma, L2, then the VARS button, arrow over to Y-VARS, choose 1:Function, the 1:Y 1 option, then press ENTER. Press the STAT menu and arrow to the right to the CALC menu. ![]() To find an equation that matches the data you see, you need to perform a linear regression on the data.Then press the ZOOM key and choose option 9:ZoomStat. Set up your stat plot to look like the one at the right. To view your data, you must set up a stat plot.Make sure there is an equal amount of data in both L1 and L2 so you don’t get a “dim mismatch” error.Arrow over to the L2 table and enter the corresponding dependent values.Type the first value in the L1 table, then press ENTER, type the second value next, and so forth.Press the STAT menu and choose option 1:Edit….If that value is close to a ☑ there’s a strong correlation to the data, meaning the data points can be modeled by the line well.ĭata for this lab will be stored in L1 and L2. ![]() Later, when you perform a linear regression, you will see an “r” value. Arrow down until you reach the command DiagnosticOn and press ENTER.Press the teal D button (ALPHA of x -1) This brings you to the items in the catalog that start with D. Make sure that your calculator has the Plots Off, Y= functions cleared, the MODE and FORMAT are set at “stage left”, and the lists are cleared.This process is called performing a linear regression. If you type data into your calculator and it appears to be linear, it can find the equation of the line for you. ![]()
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