2
QuizMultiple Choice

Multiple Samples

Question 2 • Pre-Algebra B

Eldrick manages wildlife samples for Ducks Unlimited. Two samples of duck populations at a migratory site are shown in the table below. Which statement about the samples is true?Duck Pond SamplesSample 1Sample 2Mallard21Mallard8Wood Duck4Wood Duck17Green Wing Teal9Green Wing Teal15American Widgeon6American Widgeon0

Answer
A
Eldrick can use both of these samples to find the mean frequency of each duck.
B
Eldrick should take another sample because there is too much variability in the two samples.
C
Eldrick should use only the first sample to find the mean frequency of each duck.
D
Eldrick should use only the second sample to find the mean frequency of each duck.

Explanation

The two samples show large differences in the counts for several duck types: for example, Mallards number 21 in Sample 1 but 8 in Sample 2, while Wood Ducks number 4 and 17. That much variation suggests the samples may not give a reliable picture of the populations, so Eldrick should collect another sample rather than rely on just one or average these two.

AI-written and checked against the verified answer.

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