Answer:
Standard Error of the difference = 0.0695
Step-by-step explanation:
Its given that : In a large school district, 16 of 85 randomly selected high school seniors play a varsity sport
Also, in the same district, 19 of 67 randomly selected high school juniors play a varsity sport
Now, finding the standard error of the difference :
Hence, Standard Error of the difference = 0.0695