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A United Nations report shows the mean family income for Mexican migrants to the United States is $28,540 per year.


A United Nations report shows the mean family income for Mexican migrants to the United States is $28,540 per year. A FLOC (Farm Labor Organizing Committee) evaluation of 28 Mexican family units reveals a mean to be $34,120 with a sample standard deviation of $10,050. 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: μ =
H1: μ ≠

(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.)

Reject H0 if t is not between and

(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.

(Choose one) REJECT H0 or DO NOT REJECT H0 . This data (Choose One) DOES NOT CONTRADICT or CONTRADICTS the report.

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A United Nations report shows the mean family income for Mexican migrants to the United States is $28,540 per year. A FLOC (Farm Labor Organizing Committee) evaluation of 28 Mexican family units...

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