A researcher questions whether there is a correlation between the initial math-related anxiety and the final grade of the statistics course. She computes the Pearson'sr in a class of 37 students and gets a value or r = .324. What should her statistical decision be at the alpha = .05 level?
She should fail to reject the null hypothesis if this was either one-tailed or two-tailed test.
She should fail to reject the null hypothesis if this was a one-tailed test but not if it was a two-tailed test.
She should reject the null hypothesis if this was either a one-tailed or two-tailed test.
She should reject the null hypothesis if this was a one-tailed test but not if it was a two-tailed test.
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