Twenty Students Were Randomly Selected from a Business Statistics Course

question 138

Multiple Choice

Twenty students were randomly selected from a business statistics course and were asked to report the number of times that they had eaten a meal at the university's cafeteria within the past month. Below are the values reported:
7, 8, 10, 11, 8, 6, 10, 9, 9, 8, 13, 12, 8, 11, 11, 14, 8, 7, 10, 12

-What is the IQR?

• A)3
• B)8
• C)3.5
• D)11
• E)4.5

---

Definitions:

Recency Effect

A memory phenomenon where the most recently presented items or experiences are more likely to be remembered than those presented earlier.

Primacy Effect

The tendency to remember information at the beginning of a list better than the information in the middle or at the end.

Recency Effect

The tendency to remember the most recently presented items or experiences more effectively than those presented earlier.

Long-Term Memory

The vast memory depository containing all of an individual’s knowledge and beliefs—including all those not in use at any given time.