On a test, the marks for ten students are: 2 students, 95%; 4 students, 88%; 3 students, 70%; and 1 student, 81%. What is the average mark on the test?

A. 80.3
B. 81.9
C. 82.1
D. 83.3


Answer: D

Trades & Technology

You might also like to view...

An actuator can be capable of how many positions?

A) Three B) Variable C) Two D) All of these

Trades & Technology

In scientific classification, the ____________________ kingdom includes baceteria and blue-green algae, while the ____________________ kingdom includes paramecia and amoebae

Fill in the blank(s) with correct word

Trades & Technology

Both animal and plant sources depend on ultraviolet light to make a form of vitamin D

Indicate whether the statement is true or false

Trades & Technology

In _____________ rafter construction, the ceiling joists rest on the top plate with a joist header capping their ends.

A. hip B. raised heel C. hip jack D. common

Trades & Technology