In a examining the permanence of academic learning, a researcher tested knowledg

Question

In a examining the permanence of academic learning, a researcher tested knowledge of high school English for two groups of participants 40 years after they graduated from high school. One group had received additional college English courses and the other group had received no advanced English courses in college. The following table shows hypothetical data. Do the data indicate a significant difference between the 2 groups? use two tailed test with a=.05. Be sure to show all formulas, steps, processes and calculations for all parts of the answers.

Explanation / Answer

p-value = 0 .000049

As p-value is less than 0.05, we reject null hypothesis.

Input Given Data Sample 1 Sample 2 Name No English English mean 66 78 Sample size 7 12 Std. dev. 4.0178 3.1623

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