The average math SAT score is 521 with a standard deviation of 118. A particular high school claims that its students have unusually high math SAT scores. A random sample of 60 students from this school was selected, and the mean math SAT score was 565. Is the high school justified in its claim? Explain No or Yes, because the z-score is (_________) is unusual or usual since it does not lie or lies within the range of a usual event, namely within ( 1standard deviation, 2 standard deviation, or 3 standard deviation) of the mean of the sample means. (Round to two decimal places as needed.)

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The average math SAT score is 521 with a standard deviation of 118.  A particular high school claims that its students have unusually high math SAT scores.  A random sample of 60 students from this school was selected, and the mean math SAT score was 565.  Is the high school justified in its claim?  Explain

No or Yes, because the z-score is (_________) is unusual or usual since it does not lie or lies within the range of a usual event, namely within ( 1standard deviation, 2 standard deviation, or 3 standard deviation) of the mean of the sample means.  (Round to two decimal places as needed.)

 

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