Which of the Following Is TRUE

Multiple Choice

Which of the following is TRUE?

A) Decreasing the sample size is a sure way to reduce total error since it reduces sampling error which is an important component of total error.
B) In designing a research project,the most important type of research error is total error.
C) In designing a research project,the most important type of research error is sampling error.
D) Increasing the sample size is a sure way to reduce total error since it reduces sampling error,which is the most important component of total error.
E) None of these statements are true;they are all false.