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A tech company is developing two different versions of a mobile app interface ( SimpleDesign and AdvancedDesign ) and wants to assess user satisfaction. In
A tech company is developing two different versions of a mobile app interface SimpleDesign and AdvancedDesign and wants to assess user satisfaction. In a usability test, participants were randomly assigned to interact with either SimpleDesign or AdvancedDesign. User satisfaction scores were collected, showing that participants using SimpleDesign had a mean satisfaction score of M s while those using AdvancedDesign had a mean score of M s Calculate the pooled variance.
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