Which of the following p-values would signify that a sample correlation coefficient is significant at the 1% level of significance?
A0.005 ✓ Correct
B0.02
C0.99
D0.95
Correct answer: (A) 0.005
Explanation
A p-value of 0.005 is below 0.01, so it is significant at the 1% level.
Significance at the 1% level requires the p-value to fall under 0.01.
A p-value of 0.02 lies above 0.01, so it fails at the 1% level though it clears 5%.
A p-value of 0.99 shows the result is far from significant.
A p-value of 0.95 is likewise nowhere near the required threshold.
The smaller the p-value, the stronger the evidence against the null hypothesis.
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