Your source of data
The lower limit and upper limit
How this information might be relevant to a decision maker.
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pick any set of data from the textbook or your own data. Conduct a confidence interval analysis.
In this discussion, you will pick any set of data from the textbook or your own data. Conduct a confidence interval analysis. Explain in the discussion question: Your source of data The lower limit and upper limit How this information might be relevant to a decision maker. Note: Please attach the Excel file containing the data source
Find the 99% confidence interval for estimating μd based on these paired data and assuming normality. (Give your answers correct to one decimal place.) Before: 58 55 57 42 64 41 After: 48 30 35 38 54 56 Lower Limit: Upper Limit:
2.) Find the 90% confidence interval for estimating ??d based on these paired data and assuming normality. (Give your answers correct to one decimal place.) Before 65 63 66 60 47 64 After 37 53 45 30 59 59 Lower Limit: Upper Limit:
Construct a 99% confidence interval to estimate the population mean using the data below. X = 46 o = 12 n42 With 99% confidence, when n = 42 the population mean is between a lower limit of (Round to two decimal places as needed.) and an upper limit of Construct a 95% confidence interval to estimate the population mean with X = 102 and o = 25 for the following sample sizes. a) n = 32 b) n = 45...
Construct a 99% confidence interval to estimate the population mean using the following data. What assumptions need to be made to construct this interval? x overbar = 95 σ = 21 n = 10 With 99% confidence, when n = 10 the population mean is between the lower limit of _____ and the upper limit of ____. What is the formula with a step by step guide on how to solve this equation?
Construct a 99% confidence interval to estimate the population mean using the data below. x = 380=10 n=49 With 99% confidence, when n = 49 the population mean is between a lower limit of (Round to two decimal places as needed.) and an upper limit of . Enter your answer in the edit fields and then click Check Answer. All parts showing Clear All
Construct a 99% confidence interval to estimate the population mean using the data below. x̅ = 44 σ= 8 n=42 With 99% confidence, when n=42 the population mean is between a lower limit of ___ and an upper limit of ___
Find the 90% confidence interval for estimating He based on these paired data and assuming normality. (Give your answers correct to one decimal pla Before 63 41 56 66 43 61 33 After 31 31 33 49 36 Lower Limit Upper Limit You may need to use the appropriate table in Appendix B to answer this question.
Calculate an approximate 68% confidence interval for the population mean salaries of male employees, based on the following sample data: from a sample of 144 male employees, the sample mean salaries is $500. Assume the population standard deviation is $144. Assume the distribution of salaries is normally distributed. Enter your answer in the format (lower, upper) where the "lower" is the lower confidence limit and the "upper" is the upper confidence limit. Round each numerical input to the nearest integer.
Construct an 80% confidence interval to estimate the population mean using the data below. x = 19 s-4.3 n=21 What assumptions need to be made about this population? The 80% confidence interval for the population mean is from a lower limit of an upper limit of