Define the term “variance.”

What will be an ideal response?


Variance is the sum of the squared deviations of n measurements from their mean divided by (n-1).

Trades & Technology

You might also like to view...

Where should you place your warning devices if you must stop on a one-way road or divided highway

Trades & Technology

What six things should be checked during a fire extinguisher inspection?

What will be an ideal response?

Trades & Technology

?The frequency of porosity shall not exceed one in each _________ of weld length.

A. ?4 in (100 mm) B. ?3 in (75 mm) C. ?2 in (50 mm) D. ?1 in (25 mm)

Trades & Technology

Technician A says that the brake pedal should be depressed with as much force as possible during the normal bleeding procedure. Technician B says that the brake pedal should be pumped rapidly during this manual bleeding procedure to force the air down toward the bleeder valve(s). Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Trades & Technology