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Student t test

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One group of accounting students took a distance learning class, while another group took the
same course in a traditional classroom. At £ = .10, is there a significant difference in the mean
scores listed below? (a) State the hypotheses. (b) State the decision rule and sketch it. (c) Find the
test statistic. (d) Make a decision. (e) Use Excel to find the p-value and interpret it.

Exam Scores for Accounting Students
Statistic Distance Classroom
Mean scores ¡Âx1 = 9.1 ¡Âx2 = 10.3
Sample std. dev. s1 = 2.4 s2 = 2.5
Number of students n1 = 20 n2 = 20

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Solution Summary

The solution provides step by step method for the calculation of t Test. Formula for the calculation and Interpretations of the results are also included.

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Answer
H0: There is no significant difference in the mean score of distance learning group and traditional class room group.
H1: There is significant difference in the mean score of distance learning group and traditional class room group.
The test statistic used is
Independent sample t test where
Rejection criteria: Reject the null hypothesis, if the calculated value of |t | is greater than the critical value of t at 0.10 significance level.
Details
t Test for ...

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