
Answer-first summary for fast verification
Answer: 24.5
The Box-Pierce Q-statistic is given by: Q_BP = nΣρ_k² Where n is the sample size and ρ represents the autocorrelations. Therefore, Q_BP = 200(0.3² + (-0.15)² + (-0.10)²) = 200(0.09 + 0.0225 + 0.01) = 200(0.1225) = 24.5
Author: Nikitesh Somanthe
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