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Which of the following regarding the mean and variance of a portfolio of two stocks is false?
Research Data
Definition: The collected information, statistics, and details obtained from studies or experiments, used for analysis and knowledge building.
Satisfaction or Dissatisfaction
An individual's feeling of pleasure or disappointment resulting from comparing a product's perceived performance against expectations.
Post-Purchase Evaluation
The process consumers undergo after buying a product, assessing their satisfaction and the product's performance against expectations.
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