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contoh perhitungan data mentah

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					 Perhitungan pH Tanah Setelah Inkubasi

1.   Faktor koreksi (FK)         =

                                 =

     Jumlah Kuadrat total (JK total)     =     –
                                         = (5.002 + 4.962 +.............+ 3.692) – 729.28
                                         = 733.48 – 729.28
                                         =4.20
     Jumlah Kuadrat Perlakuan (JKP)              =
                                                 = (14.992 + 15.062 + .......... + 12.982)/3 – 729.28
                                                 =
                                                 = 2.27
     Jumlah kuadrat mi (JK mi)                   =
                                                 = (56.712+52.662+52.662)/12 – 729.28
                                                 =
                                                 = 244.29
     Jumlah Kuadrat db (JK db)                   =

                                                 = (41.542+41.942+39.672+38.882)/12- 729.28

                                                 =

                                                 = -181.79
                                                 =0.18
     Jumlah Kuadran Interaksi (JK.Int)           = JKP-JK(mi)-JK(db)
                                                 = 2.27-244.29-0.18
                                                 = 0.242

     Jumlah Kuadran error (JK error)             = JK total-JKP

                                                 = 4.20-2.27
                                                 = 1.93
2.   Penentuan derajat bebas
     db perlakuan            = mi.db-1

                             = 3.4-1 = 12-1 = 11

     db mi                   = mi-1 = 3-1 = 2

     db Db                   = db-1 = 4-1 = 3

     db Interaksi (midb)     = (mi-1) (db-1)

                             = (3-1) (4-1)

                             = 2x3 =6

     db galat                = mi.db (r-1)

                             = 9 (3-1)

                             = 9x2

                             = 18


     db total                = (r.mi.db)-1

                             = (3x3x4)-1

                             = 36-1

                             = 35

3.   Kuadrat tengah (KT)

     Kuadrat tengah perlakuan (KTP)                =

     Kuadrat tengah faktor masa inkubasi (KTmi)    =
     Kuadrat tengah factor dosis bokashi (KTdb)    =

     Kuadrat tengah interaksi (KT Int)        =

     Kuadrat tengah Galat (KTG)               =

4.   Koefisien keberagaman (KK)

     KK =

             =          = 0.282




5.   F hitung (F.hit)

     F. Hitung perlakuan (F. hit P)           =

     F. hitung factor Masa Inkubasi (F.hit mi) =

     F. Hitung factor dosis bokashi (F.hit db) =

     F. Hitung interaksi (F. hit.Int)         =

        Setelah didapat F. Hitung, maka hasilnya dibandingkan dengan F table taraf 5% sehingga

     jika:

				
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