Statistical calculations in classified data are based on
A. the actual value of observations
B.the upper class limits
C. the lower class limits
D.the class midpoints
Answer:D
Statistical calculations in classified data are based on
A. the actual value of observations B.the upper class limits C. the lower class limits D.the class midpoints
Explanation: Class mid points are the most important values, as they are representatives of the class in case of classified continuous series data and are take for the use in further statistical calculations.