Question: The data set correspond to the mathematic grade average for the first semester of a class of 33 students. A researcher wants to compare the

The data set correspond to the mathematic grade average for the first semester of a class of 33 students. A researcher wants to compare the results of those students in the class with the country average which is 11.5. Determine if the difference between the average of the class and the average of all students in the country are similar or different with a risk of 5%.

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