Answer:
Eldrick can use both of these samples to find the mean frequency of each duck.
Step-by-step explanation:
Given
See attachment for samples
Required
Determine which is true
Reading through the options, we can see that Eldrick needs to evaluate the mean frequency of both samples.
To do this, both samples have to be put into consideration in order to arrive at the right value.
Considering the options, we can conclude that (a) is correct.
