A guidance counselor at a certain school claims that the students in his school are above average intelligence. A random sample of thirty-five students IQ scores have a mean score of 113.5. Is there sufficient evidence to support the principal’s claim? The mean population IQ is 100 with a standard deviation of 18. Use a=0.05 (right-tailed). QUESTION: What is the critical value based on the z table: ____

A guidance counselor at a certain school claims that the students in his school are above average intelligence. A random sample of thirty-five students IQ scores have a mean score of 113.5. Is there sufficient evidence to support the principal’s claim? The mean population IQ is 100 with a standard deviation of 18. Use a=0.05 (right-tailed). QUESTION: What is the critical value based on the z table: ____

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