In an agricultural experiment, the effects of two fertilizers on the production of limes were measured. Nineteen randomly selected plots of land were treated with a brand new fertilizer, and 27 randomly selected plots were treated with an old fertlizer. The number of pounds of harvested limes were measured from each plot. The results are given below. (Round answers to two decimal places.)New FertilizerOld Fertilizer486435468423491425470440458423476409456425463443493402501437483420475420456416470435463421473445479422460424467412 435 427 413 407 420 430 426 430Find a 90% confidence interval for the difference between the mean weight of the harvested limes.margin of error: lower limit: upper limit: Based on the results, is the new fertilizer better than the old fertilizer?A) Yes, we are 90% confident that new fertilizer is better than old fertilizer.B) No, we are 90% confident that new fertilizer is not better than old fertilizer.C) It's not clear if the new fertilizer is better than the old fertilizer.

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Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter2: Equations And Inequalities

Section2.2: Applied Problems

Problem 22E

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In an agricultural experiment, the effects of two fertilizers on the production of limes were measured. Nineteen randomly selected plots of land were treated with a brand new fertilizer, and 27 randomly selected plots were treated with an old fertlizer. The number of pounds of harvested limes were measured from each plot. The results are given below. (Round answers to two decimal places.)

New Fertilizer	Old Fertilizer
486	435
468	423
491	425
470	440
458	423
476	409
456	425
463	443
493	402
501	437
483	420
475	420
456	416
470	435
463	421
473	445
479	422
460	424
467	412
	435
	427
	413
	407
	420
	430
	426
	430

Find a 90% confidence interval for the difference between the mean weight of the harvested limes.

margin of error:
lower limit:
upper limit:

Based on the results, is the new fertilizer better than the old fertilizer?

A) Yes, we are 90% confident that new fertilizer is better than old fertilizer.
B) No, we are 90% confident that new fertilizer is not better than old fertilizer.
C) It's not clear if the new fertilizer is better than the old fertilizer.

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