In statistical testing, the significance level is commonly denoted by the symbol _____. A) b B) a C) Z_obs D) c

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The significance level is commonly denoted by the symbol a, also known as alpha. It is typically set at 0.05 or 0.01, representing the probability of rejecting a true null hypothesis. Option A, B, and D are just letters with no significance in statistical testing. Option C is not a commonly used symbol for significance level.

In Statistical Testing, the Significance Level Is Commonly Denoted by the Symbol