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A United Nations report shows the mean family income for Mexican migrants to the United States is $28,120 per year. A FLOC (Farm Labor Organizing

A United Nations report shows the mean family income for Mexican migrants to the United States is $28,120 per year. A FLOC (Farm Labor Organizing Committee) evaluation of 27 Mexican family units reveals a mean to be $39,750 with a sample standard deviation of $12,765. Does this information disagree with the United Nations report? Apply the 0.01 significance level.

a. State the null hypothesis and the alternate hypothesis.

H0:=
H1:

b.

State the decision rule for .01 significance level.(Negative amounts should be indicated by a minus sign.Round your answers to 3 decimal places.)

RejectH0iftis not betweenand

c. Compute the value of the test statistic.(Round your answer to 2 decimal places.)

Value of the test statistic

d. Does this information disagree with the United Nations report? Apply the 0.01 significance level.

(Click to select)Do not reject HoReject Ho

. This data

(Click to select)does not contradictcontradicts

the report.

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