Answer:
I'd say the second and third one.
Step-by-step explanation:
Don't take my word for it though unless you want, it's a risk those two are the only two that do the same thing. They would get the same answer no matter what number is imputed for d.
2nd and third because it makes sense
hope it helps
Answer: option D
The formulae for standard error = standard deviation/√n
But population standard deviation = 1.8 and sample size = n = 81
Standard error = 1.8/√81 = 1.8/9 = 0.2
Answer:$79.25
