Amara investigated the effectiveness of a new meditation app on reducing sleep disruptions. She recorded the total number of times participants woke up during the night over a two-week period. The participants who used the app had a mean of 2.4 night-time awakenings. The participants who did not use the app had a mean of 6.1 night-time awakenings.
State an appropriate inferential statistical test that Amara could use to analyse her data.
Practise Edexcel A Level Psychology Methods with exam-style questions for A Level Psychology. 100 questions, matched to the Edexcel A Level Psychology (9PS0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.