By Larry Stephens
What at first me during this ebook was once its promise to teach the reader the best way to use Excel for statistical research. during this recognize, the e-book didn't disappoint. What did disappoint, in spite of the fact that, used to be how little complicated statistical research you'll be able to do with Excel. if you are new to stats as i used to be, this can come as a shock. if you happen to imagine Excel is pretty much as good because it will get for statistical research, good, you are mistaken. that is the place the booklet veers into Minitab.
Minitab is natural statistical software program. It appears to be like much like Excel, yet is far extra robust the place statistical research is worried. to be able to do complicated facts, you then have to put money into whatever like Minitab. There are different techniques, reminiscent of R, SAS, Matlab, and so on. yet this publication chooses to target Minitab, most likely due to its wide-spread interface and comparatively low buy rate ($100).
I went forward and took the plunge and acquired a replica of Minitab. This choice made the publication even more beneficial to me. As you get deeper into the e-book, some of the assorted research varieties can merely be performed (easily) with really expert software program equivalent to Minitab.
I accomplished the examples and workouts from begin to end and located the ebook to be very academic. You how you can perform the research, why you are going to are looking to do it, and the way to interpret the consequences. What you don't get is mathematical justification for the research suggestions. whereas this is able to be great to have, i will see the way it could heavily sidetrack the focal point of this e-book (and triple its size). that allows you to recognize, say, why a number of Regression works or the idea at the back of ANOVA tables, then purchase a textbook or return to college. but when you must easily how to practice statistical research utilizing Minitab and Excel, it is a nice booklet to begin with.
One complaint/suggestion: it might be great if the writer supplied a significant other site for the ebook the place the reader might obtain the instance and workout information units. in an effort to stick to besides an instance or practice an workout, you'll want to manually input the knowledge. To his credits, the writer retains many of the facts units small and practicable, yet there are a couple of which are too unwieldy for handbook access. that is the reason for four stars rather than 5.
A ultimate remark: i purchased this e-book in the summertime of 2008 to paintings via in coaching for beginning a graduate software in information. I had no delusions it is going to placed me prior to my classmates or provide me an area. i used to be simply searching for a few publicity to complicated themes. After my first semester, within which I ordinarily studied linear versions, I revisted the booklet and located it to be much more worthwhile. the place my graduate college sessions taken with mathematical motivation of study, this ebook is ready program and interpretation of research. Re-reading it after a few graduate paintings helped pull jointly the various significant subject matters of statistical research and gave a lot wanted which means and context to what I had simply learned.
If you are desirous about complex statistical research and prepared to drop $100 on Minitab, then I hugely suggest this ebook.
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Extra info for Advanced Statistics Demystified
43. This large p-value shows no evidence for rejecting the null. The evidence does not cause us to believe that the diet results in more than a 10 pound weight loss. EXAMPLE 1-5 Give the Excel solution for Example 1-4. 42 CHAPTER 1 Two-Sample Inferences Fig. 1-7. Fig. 1-8. CHAPTER 1 Two-Sample Inferences Fig. 1-9. Fig. 1-10. 43 44 CHAPTER 1 Two-Sample Inferences SOLUTION The Excel solution is shown in Figs. 1-8 through 1-10. The pull-down Tools ) Data Analysis gives the dialog box shown in Fig.
Fifty adult onset diabetics took part in a study. One of the questions asked was the number of planned hours of exercise per week that the diabetic participated in. The data is shown in Table I-4. After consulting the following Minitab output, answer the questions. 868 What is the null and the research hypothesis? 05 and why, using the conﬁdence interval method? 05 and why, using the classical method? Introduction 26 Table I-4 (d) 6. 7. 8. 9. Hours of planned exercise per week. 05 and why, using the p-value method?
Traditional 82 85 82 73 72 82 73 79 71 86 90 98 86 77 81 Experimental 78 83 96 89 82 83 68 84 83 76 83 89 90 85 77 3. In order to compare fertilizer A and fertilizer B, a paired experiment was conducted. Ten two-acre plots were chosen throughout the region and the two fertilizers were randomly assigned to the plots. That is, it was randomly decided which of the fertilizers was applied to the northern one-acre plot and the other fertilizer was applied to the southern one-acre plot. The yields of wheat per acre were recorded and are given in Table 1-5.