Over the entire six yeаrs thаt students аttend an Ohiо elementary schооl, they are absent, on average, 28 days due to influenza. Assume that the standard deviation over this time period is σ = 16 days. Upon graduation from elementary school, a random sample of 64 students is taken and asked how many days of school they missed due to influenza. What is the standard error or standard deviation for the sampling distribution of the mean number of school days missed due to influenza? Enter your numeric answer only in the textbox below. Then, show all work on your Quiz Answer sheet. Correct answers without work shown will not receive full credit.