Evidence to suggest the population mean

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A researcher conducted a one-sample z-test with alpha set to 0.05, and calculated a test statistic of 1.99. The null hypothesis was H0: μ = 500 and the critical values were +1.96 and -1.96. Which is the most appropriate interpretation of the result of this test?

A. Reject the null hypothesis - the population mean equals 500.

B. Reject the null hypothesis - there is evidence to suggest the population mean is not equal to 500.

C. Fail to reject the null hypothesis - there is not enough evidence to say that the population mean is different from 500.

D. Reject the null hypothesis - the sample mean does not equal 500.

Reference no: EM132141098

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