Answer:
Z-score = 0.9450
Step-by-step explanation:
<u><em>Step(i</em></u>):-
mean height of pine tree (x₁⁻) = 52
standard deviation of pine tree σ₁ = 3
Mean height of Jupiter tree ((x₂⁻) = 22
standard deviation of Jupiter tree σ₂ = 5
Size of first sample n₁ = 48
size of second sample n₂ = 33
<u><em>Step(ii):</em></u>-
Z-score
Z = 0.9450