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In inferential statistics,the standard error of the sample mean assesses the uncertainty or error of estimation.
Customer Satisfaction
The degree to which a product or service meets the customer's expectations and the customer's happiness with the purchase.
Superior Customer Service
Providing customers with an exceptional buying experience, characterized by attentive, efficient, and courteous service.
Needs
Basic requirements or essential conditions for an individual to live a healthy and stable life, including physical, emotional, social, and intellectual aspects.
Satisfaction
The feeling of fulfillment or pleasure that comes from achieving something or having one's needs met.
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