5.7) the characteristics of the statistics used to good research. 1. accuracy (accuracy) good information should be accurate, or if there is chromatic aberration (errors) are mixed, some should be able to control the size of the aberration, contamination with minimal chromatic aberration. 2. completeness (completeness) information that must be collected, data, facts. (Facts) or news (information) that every side in all respects. Lack of any portion of a dwelling to make it not apply. 3. Compact (conciseness) mainly to the information received, the scattered data should be held in a compact format, no long drawn out. Easy to use and find the user understand immediately. 4. continuity (continuity) data collection should seriously be taken regularly and continuously in the characteristics of the time series (time-series) that will be used to benefit in terms of research or analysis of future trends. 6. related research Nitaya also vie for gold and diamonds khayo (2550) has studied the satisfaction level in the study, the use of toilet and Nakhon Pathom rajabhat University students compare the satisfaction level of the student population is a factor of the style, gender, age, education is affiliated with the Faculty and career. The results of the study showed that a toilet inside the Nakhon Pathom rajabhat University. There is a significant problem within the room. No toilet cleaner body (inside) Not all toilets within the University with SOAP after using the toilet and found the dirt everywhere. The average satisfaction in using the room. Admission of air toilet. phop. Inside the toilet user Nakhon Pathom rajabhat University clean side 2.125 2.211 top security and overall atmosphere 2.194 2.28 feedback should be provided with SOAP for washing your hands. The use of the toilet room. Supply of cleaning staff, with adequate number of toilets and provide monitoring of State officials as a toilet. And good hygiene to the next student.
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