複選題39. Which of the following statements is true of data with granularity?(A) It is not possible to have a wrong granularity for a data.(B) It can be too fine or too coarse and also have wrong granularity.(C) If granularity is too coarse, data can be made finer by summing and combining.(D) If granularity is too coarse, data can be separated into constituent parts using regression.