![]() If the data seems to follow a somewhat linear pattern, we need to find the equation for the line of best fit. Since most of the data we encounter in the real-world is not perfect, it is often hard to find an equation to fit the data perfectly. ![]() When you are finished viewing the graph and ready to return to the main screen, press If you are not happy with the window, you can always return to the window screen and adjust the values for maximum, minimum, or scale values. ![]() According to your data, the years are from 0-6 and the cost of milk range from 1.37 to 1.48, so press: Now, you must adjust the window to view the graph. Using the cost of milk data from the last practice section, we will now view the graph of the scatter plot using the graphing calculator. The dependent variable (height of tree) values should be entered into L2. Since the independent variable is the year, we will enter the year values into L1. Now, we will enter the data below into the graphing calculator: Note: If you accidentally delete a list, press: If your lists are not clear, such as this list: When you have a set of real-world data, first you must enter the data into lists in your graphing calculator.įirst, make sure your lists are clear. In math class, you may be asked to analyze and graph a set of real-world data. The following guides are based on the operation of the TI-83 and TI-84 models.įor accessibility, the TI-84 Plus with the Orion add-on is recommended. ![]() Texas Instrument calculators TI-83 and TI-84 are recommended for completing the activities in this module. Home > Teacher Resources > Calculator Review Calculator Review ![]()
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