A United Nations report shows the mean family income for Mexicanmigrants to the United States is $28,120 per year. A FLOC (FarmLabor Organizing Committee) evaluation of 27 Mexican family unitsreveals a mean to be $39,750 with a sample standard deviation of$12,765. Does this information disagree with the United Nationsreport? Apply the 0.01 significance level.
| (a) | State the null hypothesis and the alternate hypothesis. |
| |
|   H0: μ = |   |
|   H1: μ ≠|   |
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| (b) | State the decision rule for .01 significance level.(Negative amounts should be indicated by aminus sign. Round your answers to 3 decimalplaces.) |
| Â Â Reject H0 if t is notbetween ? and ? |
| (c) | Compute the value of the test statistic. (Round youranswer to 2 decimal places.) |
| Â Â Value of the test statistic | Â Â |
| (d) | Does this information disagree with the United Nations report?Apply the 0.01 significance level. |
| Â Â (Do not reject or reject) Ho. This data (does notcontradict or contradicts) the report. |
