A Statistically Significant Difference with the Z Test Means That

question 72

Multiple Choice

A statistically significant difference with the z test means that.

• A)the population mean is larger than the hypothesized sample value
• B)the alpha level was higher than expected by chance alone
• C)the sample mean comes from a population with a mean different from the hypothesized population value
• D)the alpha level was lower than expected by chance alone

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