Question
The following data represent in number of minutes it takes a sample of 15 psychologists and 12 psychologists take to fill out the medical history
The following data represent in number of minutes it takes a sample of 15 psychologists and 12 psychologists take to fill out the medical history of their patients. Using the Wilcoxon/Mann-Whitney test, test if the means are different for a significance level of 5%
Psychologists 16.5 20 17 19.8 18.5 19.2 19 18.2 20.8 18.7 16.7 18.1 17.9 16.4 18.9
Psychologists 18.6 17.8 18.3 16.6 20.5 16.3 19.3 18.4 19.7 18.8 19.9 17.6
In both exercises, justify your answers:
Formulate H0 and H1.
What is your decision rule?
What is the value of the statistician and the critical value?
What is your conclusion?
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