(Solved): please answer both, i rpomise to give a good rating Salaries of 11 college graduates who took a sta ...

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.)