(Solved): please answer both, i rpomise to give a good rating Salaries of 11 college graduates who took a sta ...
please answer both, i rpomise to give a good rating
Salaries of 11 college graduates who took a statistics course in college have a mean of $79,118 and a standard deviation of $1,592. Construct a 90% confidence interval for estimating the population mean. Enter the upper bound of the confidence interval. (Round your answer to nearest whole dollar.) Question 5 4 pts Salaries of 25 college graduates who took a statistics course in college have a mean of $75,164 and a standard deviation of $1,096. Construct a 90% confidence interval for estimating the population standard deviation. Enter the lower bound of the confidence interval. (Round your answer to nearest whole dollar.)