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2. Creating And Working With Control Charts In Excel

   files.eric.ed.gov/fulltext/EJ1125126.pdf

   As throughout this tutorial we are using Excel 2013. Highlight relevant cells. Select (highlight) the cells containing the sample statistic of interest, the center line values, and the control limit values. A quick and easy way to do so is to hold down the <Ctrl> key and select the needed cells with the mouse.

3. Numeric precision in Microsoft Excel - Wikipedia

   en.wikipedia.org/wiki/Numeric_precision_in...

   With some exceptions regarding erroneous values, infinities, and denormalized numbers, Excel calculates in double-precision floating-point format from the IEEE 754 specification [1] (besides numbers, Excel uses a few other data types [2] ). Although Excel allows display of up to 30 decimal places, its precision for any specific number is no ...

4. Table of ConTenTs - National Center for Education Statistics ...

   nces.ed.gov/nceskids/pdf/graph_tutorial.pdf

   Line graphs can also be sued to compare changes over the same period of time for more than one group.. . . a pie Chart. Pie charts are best to use when you are trying to compare parts of a whole. They do not show changes over time.. . . a bar Graph. Bar graphs are used to compare things between different groups or to track changes over time.

5. Smith chart - Wikipedia

   en.wikipedia.org/wiki/Smith_chart

   Using the Smith chart, the normalised impedance may be obtained with appreciable accuracy by plotting the point representing the reflection coefficient treating the Smith chart as a polar diagram and then reading its value directly using the characteristic Smith chart scaling. This technique is a graphical alternative to substituting the values ...

6. Radar chart - Wikipedia

   en.wikipedia.org/wiki/Radar_chart

   This spider chart represents the allocated budget versus actual spending for a given organization. A radar chart is a graphical method of displaying multivariate data in the form of a two-dimensional chart of three or more quantitative variables represented on axes starting from the same point. The relative position and angle of the axes is ...

7. How Do I Choose Which Type of Graph to Use?-NCES Kids' Zone

   nces.ed.gov/nceskids/help/user_guide/graph/...

   Line graphs are used to track changes over short and long periods of time. When smaller changes exist, line graphs are better to use than bar graphs. Line graphs can also be used to compare changes over the same period of time for more than one group. . . . a Pie Chart. Pie charts are best to use when you are trying to compare parts of a whole.

8. Building Bar Graphs-NCES Kids' Zone

   nces.ed.gov/nceskids/help/user_guide/graph/bar.asp

   Building Bar Graphs. Bar graphs can be used to show how something changes over time or to compare different times. Bar graphs are good for plotting data that spans many years (or days, weeks . . .), has really big changes from year to year (or day to day . . .), or they can be used for comparing different items in a related category (for example: comparing something between different states).

9. Comparing Two Examination Results using Means of Sample ... - ed

   files.eric.ed.gov/fulltext/EJ1083745.pdf

   Schafer(2011) did not display any control chart. Control charts are displayed in this study to make the results more meaningful. In that case we consider the sample means, but as if they were just in one group, then, apply the following methods: 2.2.1 Shewhart’s individual-observation-control chart using SPSS