Here is a table of daily births of babies (per 100,000 people) for 12 of the most populous states in the US.
State
Daily births (per 100,000 people)
California
292
Texas
556
New York
288
Florida
28
Illinois
299
Pennsylvania
135
Ohio
193
Georgia
334
Michigan
239
North Carolina
130
New Jersey
214
Virginia
27
Assume that σ = 216.83 for the entire population of the United States. Calculate the standard error.