isorder making it the most common illness in the US. At the end of the term 800 first year students completed the questionare. Researchers wanted to have equal represntation for each progr
Lecture(12.14):
Researchers were investigating anxiety in first year college students .According to the Anxiety
and Depression Assocation of America 18% of adults in the US 18 years or older suffered from
anxiety disorder making it the most common illness in the US. At the end of the term 800 first
year students completed the questionare.
Researchers wanted to have equal represntation for each program and therefore were interested
whether they had accomplished this goal and had equal representation for 3 selected
programs. The result of the questiionare are given below.
Program of study Observed Frequency
Psychology 260
Engineering 275
Business 265
Test the hypothese at the 5% level og sinificance using the 5 - step hypotheses testing procedure
.Round your answer to 2 decimal places.
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