IQ test score is assumed normally distributed with known standard deviation of 10 units. The sample mean

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IQ test score is assumed normally distributed with known standard deviation of 10 units. The sample mean score from 75 people was 105.2 units. Find a 90% confidence interval for the population mean . What is the UPPER BOUND? ______________________________ Note: Enter XXX.X AT LEAST ONE DIGIT BEFORE THE DECIMAL, ONE AFTER and round up. Thus, 347 is entered as 347.0, 3.52 is entered as 3.5, 0.2750 is entered as 0.3, -0.564 is entered as -0.6

Posted Date: May 19, 2024 12:10 PM

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IQ test score is assumed normally distributed with known standard deviation of 10 units. The sample mean

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