Application of Phase Analysis in the Production of Cleaning Production Home Industry in North Labuhan Batu Regency

RESULT AND DISCUSSION

Home Industry cleaning products in North Labuhan Batu Regency have A3 reputation in 5 districts in North Sumatra. Based on the quality criteria, the identified cleaning products are differentiated based on three quality criteria, namely:

A3: Good Cleaning Liquid and Good Packaging

A2: Only Good packaging

A1: Only Good Cleaning Liquid

The following results from the Control p-Chart analysis show that the area for quality limits for cleaning liquid products varies between 2019-2020 which can be detailed every month with the following results:

Table 1. Upper and Lower Boundary Areas of Cleaning Product Quality Based on Control p-Chart Analysis at Home Industry in North Labuhan Batu Regency

YearMonthNumber of Defective ProductsNumber of Cleaning Products ProducedpCL        (p Bar)UCL_pLCL_p2021Nov97800,0115384620,0106234570,021636003-0,000389088Dec107500,0133333330,0106234570,021854094-0,0006071792020Jan47000,0057142860,0106234570,022248271-0,001001356Feb27500,0026666670,0106234570,021854094-0,000607179Mar68000,00750,0106234570,021497474-0,00025056Apr109000,0111111110,0106234570,0208755790,000371336May77500,0093333330,0106234570,021854094-0,000607179June37550,003973510,0106234570,021816845-0,00056993July57200,0069444440,0106234570,022085678-0,000838763Aug108000,01250,0106234570,021497474-0,00025056Sept158040,0186567160,0106234570,021470391-0,000223476Oct188100,0222222220,0106234570,021430142-0,000183228

999319
0,010623457

STDEV4,788717801

Source: Production Data, 2020