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Mathematics, 06.04.2020 23:10 kcarstensen59070

Independent random samples are taken at a university to compare the average GPA of seniors to the average GPA of sophomores. Given a 95% confidence interval for the difference between the true average GPAs (seniors - sophomores) of (0.53, 1.61), what can you conclude?

A. We are 95% confident that the average GPA of seniors is greaterthanequalto the average GPA of sophomores.
B. We do not have enough information to make a conclusion.
C. We are 95% confident that the difference between the two sample GPAs falls within the interval.
D. There is no significant difference between the true average GPA for seniors and sophomores.
E. We are 95% confident that the average GPA of seniors is less than the average GPA of sophomores.

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