population variance is 3.68. Would this sample be considered significantly different from the population, applying an alpha level of 0.05? t = 0.48; the sample would be considered statistically significant t = 0.48; the sample would NOT be considered statistically significant t = 2.08; the sample would NOT be considered statistically significant t = 2.08; the sample would be considered statistically significant

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The average UQ student reports dedicating 8.5 hours per week to each 2-unit course. What is the approximate t obtained value for a group of 16 psychology students who study for a mean of 9.5 hours per week for each 2-unit course, where the estimated population variance is

3.68. Would this sample be considered significantly different from the population, applying an alpha level of 0.05?

t = 0.48; the sample would be considered statistically significant t = 0.48; the sample would NOT be considered statistically

significant

t = 2.08; the sample would NOT be considered statistically significant

t = 2.08; the sample would be considered statistically significant

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