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Hw 512 Answers

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HW 512 ANSWERS 1. a) ΞΌ = 69.4 bpm b) Ho: ΞΌ = 69.4 bpm H1: ΞΌ β‰  69.4 bpm 2. Test statistic = π‘β„Žπ‘Žπ‘‘βˆ’π‘ π‘βˆ—(1βˆ’π‘) √ 𝑛 0.657 βˆ’0.5 = 0.5βˆ—(1βˆ’0.5) 983 = 9.84 √ 3. Test statistic = π‘₯π‘π‘Žπ‘Ÿβˆ’πœ‡ 𝑠/βˆšπ‘› = 69.4βˆ’69 10.6/√129 4. a) two-tailed b) p value = 0.0118 c) Option A 5. a) The critical value is -2.33 b) Option B 6. Type 1 = Option A Type II = Option C 7. Type 1 = Option A = 0.43 Type II = Option A 8. Hypothesis= Option E Test statistic = π‘β„Žπ‘Žπ‘‘βˆ’π‘ √ π‘βˆ—(1βˆ’π‘) 𝑛 = 236 βˆ’0.5 284 0.5βˆ—(1βˆ’0.5) 2 ...
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