What is the variance?

2, 7, 4, 4, 1, 2, 2, 3, 1, 2, 4, 5
A. 2
B. 3.2
C. 4.3
D. 7


B. 3.2

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This can be helpful for children in order build upon strengths:

a) Positive punishment b) Negative punishment c) Negative consequences d) Positive consequences

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What is the sum of products?



A. 0
B. 28
C. 30
D. 50

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What is the person-in-environment (PIE) perspective and why is it important for social work practice?

What will be an ideal response?

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Systems of logical statements that explain the relationship between two or more variables are _______

A) theories B) propositions C) concepts D) hypotheses

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