SOLUTION: The educational level and the social activity of a sample of executives follow.
Education Social Activity=Above Average
College = 30
High School = 20
Grade
Algebra.Com
Question 175517: The educational level and the social activity of a sample of executives follow.
Education Social Activity=Above Average
College = 30
High School = 20
Grade School = 10
Education Social Activity = Average
College = 20
High School = 40
Grade School = 50
Education Social Activity=Below Average
College = 10
High School = 90
Grade School = 130
What does the expected frequency for the "above average" social activity and "high school" education equal?
A) 9.50
B) 60.00
C) 22.50
D) 28.50
E) None of the above
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Expected value = ](row total)/(grand total)] = 22.5
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Ans: C
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Cheers,
Stan H.
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