Answer: option D
Step-by-step explanation:
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:
26.
Step-by-step explanation:
Answer: Kia
Step-by-step explanation:
The LCM of 5 and 3 is 15.
The LCM of x and x^2 is x^2.
The LCM of y and y^3 is y^3.
Putting it all back together.
15x^2y^3