Based on your selected topic, evaluate the following:
o Find the best point estimate of the population mean.
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Get Help Now!o Construct a 95% confidence interval for the population mean. Assume that your data is normally distributed and ÃÆ’ is unknown. (The symbol should state that the population standard deviation is unknown. Construct a 95% confidence interval for the population mean. Assume that your data is normally distributed and ÃÆ’ is unknown. The symbol should state that population standard deviation is unknown.
• Please show your work for the construction of this confidence interval and be sure to use the Equation Editor to format your equations.
o Write a statement that correctly interprets the confidence interval in context of your selected topic.
3. Based on your selected topic, evaluate the following:
o Find the best point estimate of the population mean.
o Construct a 99% confidence interval for the population mean. Assume that your data is normally distributed and ÃÆ’ is unknown.
• Please show your work for the construction of this confidence interval and be sure to use the Equation Editor to format your equations.
o Write a statement that correctly interprets the confidence interval in context of your selected topic.
4. Compare and contrast your findings for the 95% and 99% confidence interval.
o Did you notice any changes in your interval estimate? Explain.
o What conclusion(s) can be drawn about your interval estimates when the confidence level is increased? Explain.
DATA:Age Data Option Checkup:
Mean 61.81666667
Median 61.5
Mode 69
Standard Deviation 8.924337
Range 41
Midrange 55.5
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