. The average IQ of male students at State Universities in the U. S. is reported to be 111. A random sample of 49 male students who were the firstborn children in their families was found to have a mean IQ of 116 with a standard deviation of 14. Can you conclude that firstborn male students have a different IQ from that of the general population of male students at State Universities in the U. S.? Please show step by step of how critical value can be found? how to calculate for critical value???? (df = 48)

MATLAB: An Introduction with Applications
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4. The average IQ of male students at State Universities in the U. S. is reported to be 111.
A random sample of 49 male students who were the firstborn children in their families
was found to have a mean IQ of 116 with a standard deviation of 14. Can you conclude
that firstborn male students have a different IQ from that of the general population of
male students at State Universities in the U. S.? Please show step by step of how critical value can be found? how to calculate for critical value???? (df = 48) 

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