A United Nations report shows the mean family income for Mexican migrants to the United States is $27,000 per year. A FLOC (Farm Labor Organizing Committee) evaluation of 25 Mexican family units reveals a mean to be $30,000 with a sample standard deviation of $10,000.

a.State the null hypothesis and the alternate hypothesis.

b.State the decision rule for 0.01 significance level.(Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.)

c.Compute the value of the test statistic.(Round your answer to 1 decimal place.)

d.Does this information disagree with the United Nations report? Apply the 0.01 significance level. Reject or refuse to reject. Does the data contradict the report?