สำมะโนธุรกิจและอุตสาหกรรม พ.ศ. 2565 อุตสาหกรรมการผลิต: ภาคกลาง

75 Appendix B : Estimation of Sampling Error The estimated total number of the characteristic X of the establishments for k th group, j th division, h th region of each 6 presented size of establishment based on the formula : Size of establishment Estimated total 1-5 persons engaged ( p = 1 ) 6-10 persons engaged ( p = 2 ) 11-15 persons engaged ( p = 4,5 ) 1 6 - 2 5 persons engaged ( p = 4,5 ) 26 - 30 persons engaged ( p = 6 ) 31 - 50 persons engaged ( p = 7 ) 51 - 200 persons engaged ( p = 8,9 ) >200 persons engaged ( p =10 , 11 ,12 ) where C k is the total classes in the k th group which  = = 78 k 1 k 164 C 4 . The estimation of total at division level

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