UHON Research Group Has Tested the Hypotheses Regarding the IQ

question 132

Essay

UHON Research Group has tested the hypotheses regarding the IQ of university honor students. They provided the following information.
H_o: µ_o = 144
H_a: µ_o > 144 (Genius)
P-Value = 0.0054
Sample Mean = 145
Sample size n = 121
a.At 98.5% confidence, would you reject or not reject the null hypothesis? Explain how you arrived at your answer and what you can conclude about the IQ scores of UHON students?
b.The researchers failed to report the standard deviation. Determine the standard deviation. Use the normal distribution tables to answer this question and show your complete work.

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