4) The mean yield of com in the United States is about 120 bushels per acre. A survey of 50 farmers this year gives a sample mean yield of x =121.2 bushels per acre with standard deviation of o= 10 bushels per acre. We want to know whether this is good evidence that the national mean this year is not 120 bushels per acre. Are you convinced that the population mean is not 120 bushels per acre? sn olqrase

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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4) The mean yield of com in the United States is about 120 bushels per
acre. A survey of 50 farmers this year gives a sample mean yield of x=121.2 bushels
per acre with standard deviation of o= 10 bushels per acre. We want to know whether
this is good evidence that the national mean this year is not 120 bushels per acre. Are
convinced that the population mean is not 120 bushels
per
acre?
you
nadt S.2 ai Joa alsb o lo
slgrase
odi esni (a) esiz elqute adi al
aivob babrte od esmuse eidr
(8
oin lo vilidedeg a ai soneahingie lo lovol sdT
od ai ssdioqgi fluu s nod
B cau &ne queIs gece
w.neve
Seeb bos asnerdoged.consaftingie to levol
Transcribed Image Text:4) The mean yield of com in the United States is about 120 bushels per acre. A survey of 50 farmers this year gives a sample mean yield of x=121.2 bushels per acre with standard deviation of o= 10 bushels per acre. We want to know whether this is good evidence that the national mean this year is not 120 bushels per acre. Are convinced that the population mean is not 120 bushels per acre? you nadt S.2 ai Joa alsb o lo slgrase odi esni (a) esiz elqute adi al aivob babrte od esmuse eidr (8 oin lo vilidedeg a ai soneahingie lo lovol sdT od ai ssdioqgi fluu s nod B cau &ne queIs gece w.neve Seeb bos asnerdoged.consaftingie to levol
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