Statistics Math Problems
Module 5 Homework Assignment
1. Find the momentous estimate or estimates of χ2 fixed on the dedicated knowledge. H1: σ > 26.1, n = 9, α = 0.01
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2. Test the privilege that for the adult population of one town, the medium annual hire is dedicated by
μ = 30,000. Illustration grounds are summarized as n = 17, = $22,298, and s = $14,200. Use a meaning smooth of α = 0.05. Narrate the inoperative and choice hypotheses.
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3. (Refer to Topic 2) Find the ordeal statistic.
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4. (Refer to Topic 2) Find the momentous estimate(s) and narrate and expound misentry environing inoperative theory.
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5. (Refer to Topic 2) Narrate the misentry in nontechnical provisions.
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6. A manufacturer uses a new origination regularity to consequence steel rods. A vague illustration of 17 steel rods resulted in lengths after a while a gauge inconsequence of 4.7 cm. At the 0.10 meaning smooth, ordeal the privilege that the new origination regularity has lengths after a while a gauge inconsequence divergent from 3.5 cm, which was the gauge inconsequence for the old regularity. State the inoperative and choice hypotheses.
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7. (Refer to Topic 6) Find the ordeal statistic.
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8. (Refer to Topic 6) Find the momentous estimate(s) and narrate and expound the misentry environing the inoperative theory.
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9. (Refer to Topic 6) Narrate misentry in nontechnical provisions.
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10. (Refer to Topic 6) Calculate and semblance the faith season fixed on the meaning smooth dedicated aloft. Are the results the identical as in topic 8 and 9?
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