Posted: December 30th, 2021
An experiment was conducted in the UK measuring quality of life (measured based on a validated scale made up of 16 questions) for two groups. The experimental group was instructed to not use their smartphone in their bedroom for a week, the while the control group was instructed to continue using it. The results are given below.
· For the experimental group, test whether the true means differ (After-Before)
· Repeat for th5e Control group
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