Question: In Iowa the average IQ score is 101.5 The variable is normally distributed, and the population standard deviation is 15. A school superintendent claims

In Iowa the average IQ score is 101.5 The variable is normally

In Iowa the average IQ score is 101.5 The variable is normally distributed, and the population standard deviation is 15. A school superintendent claims that the students in her school district have an IQ higher than the average of 101.5. She selects a random sample of 30 students and finds the mean of the test scores is 106.4. Test the claim at = 0.05 State the Hypothesis and claim. Find the Critical Value (CV) Compute the Test Value (TV) Make a decision Summarize the results. Question 9 Not yet answered Points out of 1.00 Flag question Answer: Previous page Next page

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