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Author Question: A salesman boasts to a farmer that his new fertilizer will increase the yield of the farmer's crops ... (Read 515 times)

bcretired

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on: Jan 16, 2020
A salesman boasts to a farmer that his new fertilizer will increase the yield of the farmer's crops by 15%.  The farmer wishes to test the effects of the new fertilizer on her corn yield.  She has four equal sized plots of land—one with sandy soil, one with rocky soil, one with clay-rich soil, and one with average soil.  She divides each of the four plots into three equal sized portions and randomly labels them A, B and C.  The four A portions are treated with her old fertilizer.  The four B portions are treated with the new fertilizer. The four C portions receive no fertilizer.  At harvest time, the corn yield is recorded for each section of land.  What is the claim she is testing?
◦ The average soil field had at least a 15% increase in yield.
◦ The A sections had at least a 15% increase in yield.
◦ The new fertilizer yielded at least a 15% improvement.
◦ The total yield increased at least 15%.
Statistics: Informed Decisions Using Data ¦ Sullivan ¦ 5th Edition
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Marked as best answer by bcretired on Jan 16, 2020

mmpiza

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Reply #1 on: Jan 16, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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bcretired

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Reply 2 on: Jan 16, 2020
:D TYSM

mammy1697

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Reply 3 on: Yesterday
Wow, this really help

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