The head of the English department is interested in the diff

The head of the English department is interested in the difference in writing scores between freshman English students who are taught by different teachers. The incoming freshmen are randomly assigned to one of two English teachers and arc given a standardized writing test aAcr the first semester. We take a sample of eight students from one class and nine from the other. Is there a difference in achievement on the writing test between the two classes? Here\'s the data from the two classes: Notice: In this t-test problem, using formula: min(n1 - 1. n2 - 1) to get degree of freedom of t test statistic. Is the sample size equal? Perform a t-test based on the table data.

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