Question: Please answer A, B & C.... - A United Nations report shows the mean family income for Mexican migrants to the United States is $28,540

Please answer A, B & C....

- 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: =
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.)

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

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