-Refer to Figure 5

question 14

Multiple Choice

-Refer to Figure 5.1.Which graph most likely represents a doubling of the prices of both Books and DVDs?

• A) A
• B) B
• C) C
• D) D

---

Definitions:

Frequency Distributions

A tabular or graphical representation showing the frequencies of different values in a dataset.

Friedman Test

A non-parametric analysis method employed to identify treatment variations over numerous testing trials.

Matched Pairs Experiment

An experimental design where subjects are paired based on certain criteria, and each pair is divided between treatment and control groups to measure the effect of an intervention.

Ordinal Data

Refers to a type of data in statistics that represents categories with a meaningful order, but the differences between the categories cannot be quantified.