If the Coefficient of Determination Is 0

question 68

Multiple Choice

If the coefficient of determination is 0.81, the coefficient of correlation

• A)is 0.6561
• B)could be either + 0.9 or - 0.9
• C)must be positive
• D)must be negative

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Definitions:

Parallel Play

Action in which children play with similar toys, in a similar manner, but do not interact with each other.

Cooperative Play

Play in which children genuinely interact with one another, taking turns, playing games, or devising contests.

Cliques

Groups of 2 to 12 people whose members have frequent social interactions with one another.

Crowds

In contrast to cliques, crowds are larger and looser groups, comprising individuals who share particular characteristics but who may not interact with one another.