The mean IQ for the entire population in any age group is supposed to be 100. Suppose 72 high school seniors in Columbus is measured and the sample mean is found to be 94.5 with a population standard deviation of 20.2. Do these scores provide good evidence that the mean IQ of this population is not 100? Using a = 0.05 level of significance. the a. State the Null and Alternative Hypotheses.
The mean IQ for the entire population in any age group is supposed to be 100. Suppose 72 high school seniors in Columbus is measured and the sample mean is found to be 94.5 with a population standard deviation of 20.2. Do these scores provide good evidence that the mean IQ of this population is not 100? Using a = 0.05 level of significance. the a. State the Null and Alternative Hypotheses.
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Transcribed Image Text:3. The mean IQ for the entire population in any age group is supposed to be 100. Suppose the IQ scores of
12 high school seniors in Columbus is measured and the sample mean is found to be 94.5 with a
population standard deviation of 20.2. Do these scores provide good evidence that the mean IQ of this
population is not 100? Using a = 0.05 level of significance.
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a. State the Null and Alternative Hypotheses.
b. Calculate the Mean and Standard Error. Please show work.
c. Use the calculator to find the P-value and Test Statistic. Please show work.
d. What is your decision based on the p-value you found? Explain.
e. State your conclusion in context to the problem.
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