A sample of 40 adut men has an average height of 173 cm. Assume the population standard deviation in a 762 cm. Use Demos
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A sample of 40 adut men has an average height of 173 cm. Assume the population standard deviation in a 762 cm. Use Demos
A sample of 40 adut men has an average height of 173 cm. Assume the population standard deviation in a 762 cm. Use Demos or accente calculator www the holowing a) Evaluate the 95% confidence interval of the true mean Round your answer to 4 decimal places: sus b) Evaluate the minimum sample size needed to build the 95% confidence interval within an error of 1 cm. Answer: c) A researcher claims that the true mean is more than 172 cm. Follow the steps to test the claim at level of significance a 0.05. Evaluate the critical value. Round to 4 decimal places • Evaluate the test statistic. Round to 4 decimal places: • Is there enough evidence to reject the null hypothesis and support the researcher's claim? Answer by Yor N
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