What does Z-Score less than the critical value indicates?
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What does Z-Score less than the critical value indicates?
What does Z-Score less than the critical value indicates?
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A sample mean with a z-score less than or equal to the critical value of -1.645 is significant at the 0.05 level. There is 0.05 to the left of the critical value. Any z-score to the left of -1.645 will be rejected. This zone (shown in green here) is called the Rejection Region.