By Thomas J. Quirk, Meghan H. Quirk, Howard F. Horton
This e-book exhibits the features of Microsoft Excel in educating environmental technological know-how information successfully. just like the formerly released Excel 2013 for Environmental Sciences Statistics, this booklet is a step by step exercise-driven consultant for college kids and practitioners who have to grasp Excel to unravel useful environmental technology difficulties. If realizing records isn’t the reader’s most powerful go well with, the reader isn't really mathematically vulnerable, or if the reader is new to desktops or to Excel, this is often the e-book to begin off with.
Excel, a generally to be had machine application for college students and executives, is usually an efficient instructing and studying device for quantitative analyses in environmental technological know-how classes. Its strong computational skill and graphical features make studying information a lot more uncomplicated than in years earlier. even though, Excel 2016 for Environmental Sciences records: A advisor to fixing useful Problems capitalizes on those advancements by means of instructing scholars and executives the best way to practice Excel to statistical concepts precious of their classes and work.
Each bankruptcy explains statistical formulation and directs the reader to exploit Excel instructions to resolve particular, easy-to-understand environmental technology difficulties. perform difficulties are supplied on the finish of every bankruptcy with their options in an appendix. individually, there's a complete perform try (with solutions in an Appendix) that enables readers to check what they've got learned.
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Extra info for Excel 2016 for Environmental Sciences Statistics: A Guide to Solving Practical Problems
Example text
The RAND command “looks to the left of the cell with the RAND() COMMAND in it” and assigns a random number to that cell. 2 Creating Random Numbers in an Excel Worksheet 25 Now, put the pointer using your mouse in cell C4 and then move the pointer to the bottom right corner of that cell until you see a “plus sign” in that cell. Then, click and drag the pointer down to cell C35 to add a random number to all 32 ID frame numbers (see Fig. 5). Fig. 5 Example of Random Numbers Assigned to the Duplicate Frame Numbers Then, click on any empty cell to deselect C4:C35 to remove the dark color highlighting these cells.
1 that n stands for the sample size, and so n À 1 stands for the sample size minus one. You will also recall from Chap. , equals the STDEV divided by the square root of the sample size, n (See Sect. 3). Let’s try a sample problem using Excel to find the 95 % confidence interval about the mean for a problem. Let’s suppose that General Motors wanted to claim that its Chevy Impala achieves 28 miles per gallon (mpg). Let’s call 28 mpg the “reference value” for this car. Suppose that you work for Ford Motor Co.
92. 42. Now, use number format (two decimal places) in your Excel spreadsheet for the mean, standard deviation, standard error of the mean, and for both the lower limit and the upper limit of your confidence interval. 42) would “dribble over” onto a second printed page because the information on the spreadsheet is too large to fit onto one page in its present format. So, you need to use Excel’s “Scale to Fit” commands that we discussed in Chap. 2 (see Sect. 4) to reduce the size of the spreadsheet to 95 % of its current size using the Page Layout/Scale to Fit function.