Identify the sampling technique used to obtain a sample.A group of people are classified according to height and then random samples of people from each group are taken.
A. Systematic sampling
B. Stratified sampling
C. Convenience sampling
D. Random sampling
Answer: B
You might also like to view...
Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 + 
x
A. 25; 
2
B. 
; 
2
C. 
; 
2
D. 0; 
2
Solve the problem.The area of a square is 81 square centimeters. If the same amount is added to one dimension and removed from the other, the resulting rectangle has an area 9 square centimeters less than the area of the square. How much is added and subtracted?
A. 4 cm B. 9 cm C. 3 cm D. 12 cm
Solve the problem.A small farm field is a square measuring 240 feet on a side. What is the perimeter of the field?
A. 960 ft B. 1920 ft C. 480 ft D. 240 ft
Simplify.32 + (-69) + 125 - (-14) - 96
A. 6 B. 144 C. 198 D. -22