What is the major assumption that one makes, when computing a mean from a grouped data?
A. No value shall occur more than once
B. Each class contains exactly the same number of values
C. All values are discrete
D. Every value in a class interval is equal to its midpoint.
Answer:C
What is the major assumption that one makes, when computing a mean from a grouped data?
A. No value shall occur more than once B. Each class contains exactly the same number of values C. All values are discrete D. Every value in a class interval is equal to its midpoint.