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14
Basic Keyboard/GENERAL MATHEMATICS USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
Steps for creating a data set's histogram
STEP 1: Turn the calculator on, press STAT A (EDIT) ENTER to view the
statistics data entry screen. Delete old data sets.
STEP 2: Move the highlighter to the cell directly below the L1 in the table and enter
the following data set:
15 28 17 36 38 19 13 25 27 41
STEP 3: Check the data you have entered by pressing ▲ to move back through
the data.
STEP 4: To graph a histogram that represents the data set, you must first press
STAT PLOT A (PLOT1) and press ENTER . A PLOT1 setup screen
will appear. Turn the plot on by pressing ENTER . Select one-variable
data by pressing ▼ ENTER . Set the list to L1 by pressing ▼
2ndF L1 ENTER . A blank Freq: prompt indicates the data is non-weighted
and the frequencies are one. Choose the histogram graph by pressing ▼
STAT PLOT A (HIST) and 1 (Hist).
STEP 5: Set the calculator to rectangular graphing by pressing 2ndF SET UP
E (COORD) 1 (Rect) and press 2ndF QUIT .
STEP 6: Set the viewing window by pressing WINDOW . Set the horizontal axis to
10 < x < 50 with Xscl = 10 by pressing 1 0 ENTER 5 0 ENTER 1
0 ENTER . Set the vertical axis to 0 < y < 5 with Yscl = 1 by pressing 0
ENTER 5 ENTER 1 ENTER .
View the histogram by pressing GRAPH .
HISTOGRAM FOR A
ONE-VARIABLE DATA SET
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