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Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to state whether or not the given r represents a significant linear correlation. Use a significance level of 0.05.

r = 0.75, n = 9

Student Answer: Critical values: r = ±0.666, no significant linear correlation

Critical values: r = 0.666, no significant linear correlation

Critical values: r = -0.666, no significant linear correlation

Critical values: r = ±0.666, significant linear correlation

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