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Download Finding Mean, Median, Mode and Standard Deviation using the
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Finding Mean, Median, Upper Extreme, Lower Extreme and Standard Deviation Using the Graphics Calculator Steps • To find the measures of central tendency (mean, median and mode), along with the standard deviation for any given set of data, follow these steps... Steps • Enter your data into “List 1” (L1) • To do this... • Press STAT • Highlight EDIT and press ENTER • Enter the data by pressing enter after each piece Steps • Next... • • • • Press STAT Cursor over to CALC Highlight 1-VAR STATS Press ENTER (1-Var Stats appears on the home screen) • Press ENTER a second time (list of stats appears on the home screen) • Cursor down to view all stats Example • Find the mean, median, upper extreme, lower extreme & standard deviation using your calculator, given the following sample data... 5, 6, 7, 8, 9, 6, 9, 8, 7, 5 Example Answers... • Mean (x with line above it) = 7 • Median (Med.) = 7 • Lower Extreme (Min X) = 5 • Upper Extreme (Max X) = 9 • Standard Deviation (Sx) = 1.49
