Data Pengamatan dan Perhitungan

Kelompok Absorbansi Keterangan

1 0.000 Blanko

2 0.577 Standar shift siang

3 0.292 Uji

4 0.296 Uji

5 0.769 Uji

6 0.930 Uji

Shift pagi 0.946 Standar

Shift sore 0.445 Standar

Rata-rata absorbansi uji : 0.292+0.296+0.769+0.930

4=0.57175

Rata-rata absorbansi standar : 0.946+0.577+0.445

3=0.656

Kadar Glukosa Uji

Glukosa darah (mg/dL) = absorbansi rata uji} over {absorbansi rata standar x100 mg /dL

=0,57175

0,656x 100 mg /dL

= 87.157012 mg/dL

Standar Deviasi

SD = √ ∑⎢ xuji−xn⎢2

n−1

= √¿¿¿

= √ 0.078+0.076+0.039+0.12883

= 0.327

Persentase Simpang Baku Relatif (SBR)

% SBR= 0.3270.57175

x100 %

% SBR = 57.192829 %