สำมะโนธุรกิจและอุตสาหกรรม พ.ศ. 2565 อุตสาหกรรมการผลิต: ภาคตะวันออกเฉียงเหนือ

72 The 2022 Business and Industrial Census (Manufacturing Industry: Northeastern Region) 1. The estimation of total at activity level 1.1 The estimated total number of the characteristic X of the establishments for the p th sub-size, m th activity, l th class, k th group, j th division, h th region was based on the formula:  =  =  Ah i 1 hijklmp hjklmp Xˆ Xˆ where Xˆ hijklmp  is the estimated total number of the characteristic X for the p th sub-size, m th activity, l th class, k th group, j th division, i th province, h th region which   =  =  hijklmp n 1 q hijklmpq hijklmp hijklmp x w Xˆ hijklmpq x is the value of the characteristic X for the q th sample establishment, p th sub-size, m th activity, l th class, k th group, j th division, i th province, h th region . hijklmp w  is the weighting factor of the establishments for the p th sub-size, m th activity, l th class, k th group, j th division, i th province, h th region. Where hijklmp hijklmp hijklmp n N w    = hijklmp N  is the total number of the establishments for the p th sub- size, m th activity, l th class, k th group, j th division, i th province, h th region.