uppose there is a random sample of n observations, divided into four groups. The table below summarizes the count of observations that were seen in each group.
Group 1
Group 2
Group 3
Group 4
27
59
31
We are interested in testing the null hypothesis H0:p1=p2=p3=p4=0.25H0:p1=p2=p3=p4=0.25, against the alternative hypothesis HA:AtleastoneproportionisincorrectHA:Atleastoneproportionisincorrect.
What is the expected count for each of the groups?
Expected:
What is the value of the test statistic? Round your response to at least 2 decimal places.
What are the appropriate degrees of freedom?
What is the P-value? Round to at least 4 decimal places
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