Imagine After Grading This Exam I Look at the Distribution

question 106

Multiple Choice

Imagine after grading this exam I look at the distribution of test scores in this class and conclude the distribution is symmetrical and peaked. Which of the following would MOST likely lead to this conclusion?

• A) The mean and median are the same AND the standard deviation is very small.
• B) There are two modes AND the standard deviation is very large.
• C) The mean and median are different AND the range is very large.
• D) The mean is very high AND there is a large number of outliers.

---

Definitions:

Human Airway

The part of the respiratory system through which air flows, starting from the nose and mouth down to the bronchi.

Branch Lengths

In phylogenetics, the distances on a tree diagram that represent the amount of evolutionary change or time.

Genetic Difference

Variations in the DNA sequences among individuals, populations, or species that contribute to biological diversity.

Haplotype Frequency

The commonness of a specific combination of alleles at different loci within a chromosome segment in a population.