Standard error (SE)

Or

Therefore, SE of the mean = (8)/(2) =4
Answer:
10.3m
Step-by-step explanation:
area of a rectangle is width times length, so you have to rearrange the equation
55.929 ÷ 5.43 = 10.3
Probably b. flyer
Of course, it's tough to tell without the selection.
Answer:
7/3
Step-by-step explanation: