8.5 Weight at the doctor’s office. When you visit the doctor’s office, several measurements may be taken, one of which is your weight. A doctor’s office encourages patients to keep their shoes on to be weighed and promises to subtract 2 pounds for the weight of the patient’s shoes. Which of the following is true once the patient’s weight is adjusted by 2 pounds?
(a) This will be a reliable measure of the patient’s weight.
(b) This will be a valid measure of the patient’s weight.
(c) This will be an unbiased measure of the patient’s weight.
(d) None of the above is true.