2. A principal at a school claims that the students in his school are above average intelligence. A random sample of thirty students' IQ scores have a mean score of 112.5. Is there sufficient evidence to support the principal's claim? The average IQ is 100 with a standard deviation of 15. Use a = 0.05
2. A principal at a school claims that the students in his school are above average intelligence. A random sample of thirty students' IQ scores have a mean score of 112.5. Is there sufficient evidence to support the principal's claim? The average IQ is 100 with a standard deviation of 15. Use a = 0.05
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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