A study was done to determine if students learn better in an online basic statistics class versus a traditional face-to-face (f2f) course.A random sample of 12 students in an online course and 15 students in an f2f course was taken.The scores (out of 100) on the final exam of both groups are shown below. 
The standard error for the mean of the f2f group is ____.
Definitions:
Majority Opinion
The judicial opinion agreed upon by more than half of the members of a court, setting forth the decision of the court and an explanation.
Concurring Opinion
An additional opinion in a court case that agrees with the majority decision but offers different reasoning or emphasizes a particular point.
Plurality Opinion
A judicial opinion agreed to by more justices than any other opinion in a case but not achieving a full majority.
Bill of Rights
A document listing the fundamental rights and freedoms that are protected and guaranteed to all citizens, often forming a part of a country's constitution.
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