(I a Table Showing the Number of Observations That Have

question 40

Multiple Choice

(i. A table showing the number of observations that have been grouped into each of several classes is called a frequency distribution. (ii) When classes in a frequency table are constructed so that data will fit into only one category, it is called mutually exclusive.
(iii) The suggested class interval based on number of observations given the data ranges from 100 to 200 with 50 observations is 20

• A) (i), (ii) and (iii) are all correct statements.
• B) (i), (ii) and (iii) are all false statements.
• C) (i) and, (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).

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Definitions:

AC

Short for Alternating Current, a type of electrical current in which the flow of electric charge periodically reverses direction.

DC

Direct Current, a type of electrical current flowing in one direction only, unlike alternating current (AC).

Delco-Remy Intelli-Check

A diagnostic tool designed by Delco-Remy for checking the electrical systems of vehicles.

Diagnose

The process of identifying a problem or fault through examination of symptoms, signs, or through testing.