Use the Ratio Test to Determine the Convergence or Divergence $$\sum _ { n = 1 } ^ { \infty } \frac { ( - 1 ) ^ { n - 1 } \left( \frac { 7 } { 2 } \right) ^ { n } } { n ^ { 2 } }$$

question 31

Multiple Choice

Use the Ratio Test to determine the convergence or divergence of the series. $$\sum _ { n = 1 } ^ { \infty } \frac { ( - 1 ) ^ { n - 1 } \left( \frac { 7 } { 2 } \right) ^ { n } } { n ^ { 2 } }$$

• A) diverges
• B) converges
• C) Ratio Test inconclusive

Understand the concept of correlation and distinguish between positive, negative, and zero correlations.

Recognize the limitations of correlational studies in inferring causation.

Identify examples of illusory correlations and understand why they occur.

Understand the basic principles of experimental design, including independent and dependent variables.

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