Scenario: A study was conducted to explore the prevalence and impact of sleep problems on various aspects of people's lives. Staff from a university in Melbourne, Australia were invited to complete a questionnaire containing questions about their sleep behaviour (e.g. hours slept per night), sleep problems (e.g. difficulty getting to sleep) and the impact that these problems have on aspects of their lives (work, driving, relationships). The sample consisted of 271 respondents (55% female, 45% male) ranging in age from 18 to 84 years (M=43.9yrs). A student researcher is interested in examining whether the participants in the study sleep for 8 hours a night, the recommended average for adults.

Datafile: sleep data.csv

Proposed analysis and why you chose the analysis: (1 mark)

Measurement type (i.e., nominal, ordinal, continuous) for variable(s) that will be used in the analysis: (1 mark)

Null and alternative hypotheses (based on context of study) in symbols: (1 mark)

Test assumptions and make a decision (please provide written evidence to support your decision): (1 mark)

Inferential statistic(s) and p-value(s): (1 mark)

Decision: (1 mark)

Conclusion: (2 marks)

Based on your decision, identify and explain the type of error you could be making with respect to the conclusions of the study (1 mark)

data:

https://easyupload.io/ggt67q

don't forget to click download to view the file!