Find the Critical Value $\mathrm { n } = 20 , \alpha = 0.01$

question 107

Multiple Choice

Find the critical value. Assume that the test is two-tailed and that n denotes the number of pairs of data.
- $\mathrm { n } = 20 , \alpha = 0.01$

• A) \(0.570\)
• B) \(\pm 0.570\)
• C) \(- 0.570\)
• D) \(\pm 0.447\)

Explain the effects of resistance in a circuit.

Calculate current, voltage, and resistance in electrical circuits.

Recognize the safety functions and importance of grounding in electrical circuits.

Understand basic electrical terms and units and their inter-relationships.

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