Now you will type your findings for the week. First you need to write your interpretation sentences for each of the confidence intervals (There should be 6 total). This can be written in the form: We are __% confident that the average income for _______ is between _______. Next you need to discuss what happened to the confidence intervals as you increased the confidence level. Then compare the confidence intervals across the 3 variables (overall, White and Black). Are there differences in the average income for individuals based on their race?
Introductions uploaded 1)Test the given hypothesis. Assume that the population is normally distributed and that the sample has been randomly
Introductions uploaded 1)Test the given hypothesis. Assume that the population is normally distributed and that the sample has been randomly selected. A manufacturer uses a new production method to produce steel rods. A random sample of 37 steel rods resulted in lengths with a mean 5+1 and standard deviation of