What happens to the mean and standard deviation of the distribution of sample means as the size of the sample decreases?

O The mean of the sample means stays constant and the standard error decreases.
O The mean of the sample means increases and the standard error stays constant.
O The mean of the sample means decreases and the standard error increases.
O The mean of the sample means decreases and the standard error stays constant.
O The mean of the sample means stays constant and the standard error stays constant.
O The mean of the sample means increases and the standard error increases.
O The mean of the sample means increases and the standard error decreases.
O The mean of the sample means stays constant and the standard error increases.
O The mean of the sample means decreases and the standard error decreases.