Applied Statistics for Agriculture, Veterinary, Fishery, by Pradip Kumar Sahu

By Pradip Kumar Sahu

This publication is geared toward quite a lot of readers who lack self belief within the mathematical and statistical sciences, relatively within the fields of Agriculture, Veterinary, Fishery, Dairy and different comparable components. Its aim is to offer the topic of facts and its worthwhile instruments in quite a few disciplines in one of these demeanour that, after examining the publication, readers might be outfitted to use the statistical instruments to extract in a different way hidden details from their information units with self assurance. beginning with the that means of facts, the publication introduces measures of relevant tendency, dispersion, organization, sampling tools, chance, inference, designs of experiments and lots of different topics of curiosity in a step by step and lucid demeanour. The suitable theories are defined intimately, through a huge variety of real-world worked-out examples, solved both manually or with the aid of statistical programs. In last, the booklet additionally features a bankruptcy on which statistical programs to take advantage of, reckoning on the user’s respective requisites.

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When both the lower boundary and upper boundary of a particular class are included in the class, it is known as inclusive method of classification, while in other method, one of the limits is excluded from the respective class and the method is known as exclusive method of classification. Clearly, one cannot have inclusive method of classification with continuous data set: it is applicable for discrete character only. 2 Cumulative Frequency It is simply the accumulation of observation up to certain level in arranged data.

XnÀ2 f3. , fi,. fnÀ2 xnÀ1 xn fnÀ1 fn Xg ¼ xi f i P n fi Á1 i¼1  1=N f f ¼ x11 :x22 . . 9 . . 5 If we go back to the data of fish weight of 20 fishes, then what should be the GM? 6 i À Á 1 h f f ) log Xg ¼ log x11 :x22 . . xfnn N 1 ¼ ½f 1 logx1 þ f 2 logx2 þ . . þ f n logxn Š N n 1X f logxi ¼ AM0 ðsayÞ ¼ N i¼1 i For grouped frequency data, xi is taken as the mid-values of the i-th class With the help of log conversion or scientific calculator, one can easily find out the geometric mean. 3 Â.

Merits and Demerits of Mode Mode is easy to calculate and understand; it can also be used qualitative data. But mode is not defined rigidly like AM, GM, or HM. 17. 8 Midpoint Range Midpoint range of a set of “N” number of observations X1, X2, X3,. ,XN for variable X is defined as the average of the maximum and minimum values of a given set of data. If “M” and “m” are the maximum and minimum values of a given set of data, respectively, the midpoint range is (M + m)/2. Thus, to get midpoint range of given set of data, may it be ungrouped or grouped data, one needs to know only the maximum and minimum values of the data set.

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