Perry performs a study to determine the average number of flowers on gardenia bushes at a plant nursery. Which will produce the most representative results?
Answer
A
a sample of the first 20 gardenia bushes near the entrance
B
a sample of every other gardenia bush in the shade
C
a sample of every other gardenia bush in full sun
D
a sample of 10 gardenia bushes in the shade and 10 in full sun