The three exploration satisfaction. Housewife ball grid On product
satisfaction survey tool. With a rating scale (Rating Scale) may have five levels of interpretation of the mean and standard deviation of each item are as follows:
1. Mean () indicates the level of respondents. That at any level The threshold level on
average from 1.00 to 1.49, meaning that a minimum
average of 1:50 to 2:49, meaning that at least
average 2:50 to 3:49 means moderate
, averaging 3:50 to 4:49, meaning that more
average 4:50 to 5:00 means the most.
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