provided in a control system is to allow manual override of remote installations, either by a serial communication. link, modem, radio or other type of interface. In these installation the field device may be manually controlled until a. problem is corrected or until maintenance personnel can visit the site.
â¢ Doctors want to know how much hearing damage results from loud music. â¢ Teachers want to know whether or not listening to classical music helps students perform better on tests. Statistical investigations are used every day for a variety of reasons.
Chapter 3. Methodology. The purpose of this study is to examine the perceptions of selected school board. members regarding the quality and condition, maintenance, and improvement and. renovation of existing public school facilities. The four purposes of this chapter are to (1) describe the research methodology of. this study, (2) explain the sample selection, (3) describe the procedure used in designing. the instrument and collecting the data, and (4) provide an explanation of the statistical. procedures used to analyze the data.