A research student has measured serum levels of Hormone X for a group of 200 patients with chronic renal insufficiency. A distribution of results is shown below.
Which of the following is most likely to be true regarding this group of patients?
Average measurement of 400 IU/L; most common measurement of 300 IU/L
Average measurement of 500 IU/L; middle measurement value of 350 IU/L
Middle measurement of 350 IU/L; most common measurement of 300 IU/L
Most common measurement of 300 IU/L; average measurement of 200 IU/L
Negative skewing; mean > mode
