When F1 is the level of satisfaction, stating that "most" = 5 rate
F2 is the level of satisfaction that, given "very" = 4 rate
F3 is a level of satisfaction that says "Medium" = 3 rate
F4 is a level of satisfaction that says "little" = 2 rate
.F5 is a level of satisfaction that says "minimal" = 1 rate
points brought breaks during เพื่อพิจารณา satisfaction and to set up the scores of a
.The obvious interpretation, satisfaction level By using the formula of break the arithmetic mean is
.
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