If the Errors Produced by a Forecasting Method for 3

question 21

Multiple Choice

If the errors produced by a forecasting method for 3 observations are -1,-2,and -6,then what is the mean squared error (deviation) ?

• A)9
• B)-9
• C)3
• D)13.67

---

Definitions:

Major Calyces

The large branches of the renal pelvis that collect urine from the minor calyx before it flows into the ureters.

Urethra

A tube that conducts urine from the bladder to the outside of the body, also serving as a passage for semen in males.

Renal Papilla

The apex of the renal pyramid in the kidney which projects into the lumen of the renal pelvis.

Minor Calyx

The funnel-shaped structure in the kidneys that collects urine from the nephrons and channels it to the major calyx.