Which of the Following Statements Is Not Correct

Multiple Choice

Which of the following statements is not correct?

A) Measures of central tendency determined from frequency distributions will only be approximations of the actual values.
B) Measures of dispersion determined from frequency distributions will only be approximations of the actual values.
C) In grouped data,each observation is given the value of its classification's mid-point.
D) When data are grouped,the value of each individual observation is lost.
E) All of the above statements are correct.