Example_of_a_Histogram

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Histogram using Method A: Guided Exercise 3 page 41-42 Step 1: Determine the class width (see page 41 for the data) Class width = (Largest value in data - Smallest value in data) / (number of classes) Largest data value = 13 Smallest data value = 1 Number of classes = 5 Class width = (13 - 1)/5 = 2.4 ≈ 3 Step 2: Create histogram data table using calculated class width Class Limits Class Boundary Limits lower upper lower upper Midpoint Frequency 1 3 0.5 3.5 2 3 4 6 3.5 6.5 5 15 7 9 6.5 9.5 8 17 10 12 9.5 12.5 11 4 13 15 12.5 15.5 14 1 Step 3: The two columns of interest are the midpoint and frequency columns. Midpoint Frequency 2 3 5 15 8 17 11 4 14 1 Step 4: Select the frequency data Midpoint Frequency 2 3 5 15 8 17 11 4 14 1 Step 5: From the menu select "Insert->Chart" Step 6: Select column graph and hit "next" Step 7: Select series tab Step 8: In the category (x) axis labels enter the data range for the midpoint data. Step 9: Select next and add labels. Insert on sheet. 12 14 16 18 Histogram: On hold time y
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Step 10: Right click on one of the bars. Select "Format Data Series" Step 11: Select "Options" tab and set Gap width to 0. 2 5 8 11 14
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