Two Statistics classes took a practice exam. This com-puter output shows the summary statistics: What is the overall mean for all of the students on thisexam?A) 76.35 B) 76.657 C) 77.28D) 78.35 E) 78.643   Group Count Mean Median StdDevClass 1 32 80.4 78.5 6.1Class 2 24 76.3 74.2 7.0

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Chapter4: Equations Of Linear Functions
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Two Statistics classes took a practice exam. This com-
puter output shows the summary statistics:
What is the overall mean for all of the students on this
exam?
A) 76.35 B) 76.657 C) 77.28
D) 78.35 E) 78.643
 
Group Count Mean Median StdDev
Class 1 32 80.4 78.5 6.1
Class 2 24 76.3 74.2 7.0
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