Probable Error in Field Experimentation With Hevea
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In our eReader you can find the full English version of the book. Read Probable Error in Field Experimentation With Hevea Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Probable Error in Field Experimentation With Hevea
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To quickly assess the difficulty of the text, read a short excerpt:
For 1915 = 9. 11%.
1916= 2' d2= 10. 719. 97 p. E. For 1916 = 7. 90%.
„ '15-'16= 2" d2= 9. 308. 74 p. E. For'15-'16: 7. 36%.
p. E. =0'67 1 /2d2 This shows a probable error of 9. 11% for 1915, 7900/o for 1916, aiid 7. 36% for the two-year period. The difference between the probable errors for 1915 and 1916 may be accounted for by one or both of two factors: (1) There was better supervision of these plots maintained in 1916 than in 1915, with a consequent reduction in manipulation errors.
(2) in 1...916 the rubber was a year older; the possibility of different probable errors for different ages of rubber has already been pointed out.
The fact that the probable error for the two-year period was less than that for either year implies that some variations are compensating as the period increases in length.
As we desire to base our conclusions on the yields over the two year period, the question arises as to the degree of reliability that may be placed upon the probable error for this period.
What to read after Probable Error in Field Experimentation With Hevea?
You can find similar books in the "Read Also" column, or choose other free books by O F Bishop to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
For 1915 = 9. 11%.
1916= 2' d2= 10. 719. 97 p. E. For 1916 = 7. 90%.
„ '15-'16= 2" d2= 9. 308. 74 p. E. For'15-'16: 7. 36%.
p. E. =0'67 1 /2d2 This shows a probable error of 9. 11% for 1915, 7900/o for 1916, aiid 7. 36% for the two-year period. The difference between the probable errors for 1915 and 1916 may be accounted for by one or both of two factors: (1) There was better supervision of these plots maintained in 1916 than in 1915, with a consequent reduction in manipulation errors.
(2) in 1...916 the rubber was a year older; the possibility of different probable errors for different ages of rubber has already been pointed out.
The fact that the probable error for the two-year period was less than that for either year implies that some variations are compensating as the period increases in length.
As we desire to base our conclusions on the yields over the two year period, the question arises as to the degree of reliability that may be placed upon the probable error for this period.
What to read after Probable Error in Field Experimentation With Hevea?
You can find similar books in the "Read Also" column, or choose other free books by O F Bishop to read onlineMoreLess
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