Sample statistics for annual earning: High school diploma Bachelor's degree or higher X1= $27,136 X2= $34,329 %3D %3D S1 = $2318 S2 = $4962 n1 = 15 n2 = 12 %3D The annual earnings of 15 people with a high school diploma and 12 people with a bachelor's degree or higher are shown above. Can you conclude that there is a difference in the mean annual earnings based on level of education? Use a = 0.01. Assume the populations are normally distributed and the population variances are not equal. a. Identify the claim and state Ho and Ha b. Identify the level of significance a and the degrees of freedom. c. Find the critical values and identify the rejection regions. d. Find the standardized test statistic t. Sketch a graph. e. Decide whether to reject the null hypothesis. f. Interpret the decision in the context of the original claim.

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Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.