By R. H. Leaver, T. R. Thomas (auth.)

ISBN-10: 0333149874

ISBN-13: 9780333149874

ISBN-10: 1349019429

ISBN-13: 9781349019427

**Read Online or Download Analysis and Presentation of Experimental Results PDF**

**Best methodology & statistics books**

**Bhanu P. Jena's Atomic Force Microscopy in Cell Biology PDF**

This is often the 1st ebook to hide the heritage, constitution, and alertness of atomic strength microscopy in phone biology. offered within the transparent, well-illustrated type of the tools in mobile Biology sequence, it introduces the AFM to its readers and allows them to faucet the ability and scope of this expertise to extra their very own study.

**Michael Butler's Animal Cell Culture and Technology (THE BASICS (Garland PDF**

This ebook is a superb source for college kids and starting medical reaseraches. it's a reliable resource of easy tools and methods for winning laboratory mobile tradition methods. lots of the present phone tradition tools are lined yet this insurance is not particular. back, first-class for rookies.

**Get Conversation Analysis: The Study of Talk-in-Interaction PDF**

Dialog research has contributed greatly to the knowledge of social lifestyles, social constitution, the that means ascribed via members to interplay, and the principles and buildings of dialog. George Psathas' succinct advent outlines its tactics and its significant accomplishments, with discussions on verbal series, institutional constraints on interplay, and the deep constitution of speak.

**Additional info for Analysis and Presentation of Experimental Results**

**Example text**

Setting aside this limitation, it is not difficult to imagine readings in this case taking values from far below to well above the true length in a continuous fashion. Alternatively, in an experiment concerned with the number of defective components produced in a shift from a particular machine, the variate will be an integer resulting from counting the components. If the experiment continues over several shifts a sample of a discrete variable will result. As the sample size is increased, we feel intuitively that the additional information will, in the first case, allow a better estimate of the true length to be made and in the second case, give a clearer picture of the distribution of the numbers of defective parts.

No purely statistical criterion can give us absolute 47 ERRORS AND THEIR SIGNIFICANCE certainty, but it can give us a very accurate balance of probabilities; and many men have been justly hanged on flimsier evidence. Let us now apply our test to the example of the last section. Suppose the two sets of measurements contained five and seven observations respectively. 64 with 5 + 7 - 2 = 10 degrees of freedom. 76 at the 2 per cent level. The difference between the two sets of readings is therefore significant at the 5 per cent level but not at the 2 per cent level.

Consider, however, the flow Vofliquid of viscosity 11 through a capillary of radius a and length L under a pressure difference p given by . 7) 41 ERRORS AND THEIR SIGNIFICANCE Suppose we wished to make use of this phenomenon to measure the viscosity of the liquid. 7 and applying the superposition of errors theorem gives us finally In other words, the fractional error in a contributes four times as much to the derived error in 11 as any of the other variables. As the radius of a capillary is in any case very small and very difficult to measure, we might justifiably conclude that this is not a suitable experiment for viscosity determination, although much used for this purpose.

### Analysis and Presentation of Experimental Results by R. H. Leaver, T. R. Thomas (auth.)

by James

4.0