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Question 14 0 / 6 pts A test score of 53 on a test having a mean of 79 and a standard deviation of 10. Determine if the value is unusual. Why or why not? Explain your answer using descriptive statistics and/or probability appropriately. If your reasoning requires a z-score, enter the z-score rounded to the nearest hundredth. If your reasoning requires a probability, enter the probability as a decimal rounded to the nearest ten-thousandth. You Answered -2.36 Correct Answer -2.6 Unusual or Significant... Which Technique? Significances and unusual are similar concepts. Currently, an event is significant if its probability is 0.05 or less. (This significance level is adjustable in future sections!) An event is ordinary if its z-score is between 2 and 2. inclusive. The empirical rule states that 95% of the outcomes are ordinary (bell-shaped); therefore. an unusual event occurs less than 5% of the time. Although the 0.05 probability and the 5% are not directly comparable because of their location (one tail versus two tails). when adjustment of the significance level is possible, this will no longer be an issue. Use the z-score on exact/single outcomes to answer the question. "Is the result unusual?" Use the significant probability calculation to answer the que