By Paul Cornell
Detect easy methods to use Microsoft Excel and different Microsoft workplace instruments to entry and learn the knowledge in spreadsheets, databases, and transaction processing structures for greater company selection making.
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In the Select A Driver For The Type Of Database You Want To Access list, click Microsoft Text Driver. 6. Click Connect. 7. Clear the Use Current Directory box, and then click Select Directory. 8. Select the Chap03 folder, and then click OK. csv file in this step. You will select it in the next step. 9. csv in the Select A Default Table For Your Data Source list. 10. Click OK to return to the Choose Data Source dialog box. 11. On the Databases tab, click Hotel CSV 2 and then click OK. 12. Double-click the available columns to move them to the Columns In Your Query list.
10). 8. Add descriptions for each of these results in column E. For example, in cell E2 type Sum of All Room Service Charges. Compare your results to Figure 3-9. 42 Chapter 3: Analyzing Data with Microsoft Excel Chapter 3: Analyzing Data with Microsoft Excel 43 Figure 3-9: Summary of room service charges. What anomalies or trends do you notice based on this exercise? For example: • Some preferred customers had no room service charges in some months. • The average monthly room service charge was about 23 percent higher than midpoint.
Moving Average, which provides a series of data values averaged over time, for use in forecasting or trending. • Rank and Percentile, which provides a list of how data values compare or rank against each other. • Sampling, which selects a random number of representative data values. Sampling is especially helpful when you want to quickly analyze a smaller number of data values that you believe are representative of a much larger group of data values. The rest of this section describes how to use these tools.
Accessing and Analyzing Data With Microsoft Excel by Paul Cornell