A population of values has a normal distribution with $\displaystyle \mu={156.7}$ and $\displaystyle \sigma={68.3}$. You intend to draw a random sample of size $\displaystyle {n}={98}$.

What is the mean of the distribution of sample means?
$\displaystyle \mu_{{\overline{{x}}}}=$

What is the standard deviation of the distribution of sample means?
(Report answer accurate to 2 decimal places.)
$\displaystyle \sigma_{{\overline{{x}}}}=$