Question

Tommy wants to know if squirrels prefer popcorn over peanuts. In what order should he do the following steps?

W. Write a report on his findings

X. Select a suitable spot to observe the squirrels

Y. Observe and record how many squirrels eat popcorn or peanuts

Z. Put out a pile of popcorn and a pile of peanuts near each other

Z → Y → X → W
Z → X → W → Y
X → W → Y → Z
X → Z → Y → W