A Chemistry Class Takes a Survey of the Number of Hours

question 26

Multiple Choice

A chemistry class takes a survey of the number of hours they studied for an exam and the exam score. Of the students who studied less than two hours 8 students got a score below 60 3 students got a score between 60 and 80 and 1 above 80. Of the students who studied two to four hours 3 students got a score below 60 5 between 60 and 80 and 5 above 80. Of the students who studied more than four hours 2 student got a score below 60 1 between 60 and 80 and 4 above 80. Which of the following matrices organizes this data with the columns representing the number of hours students studied and the rows representing the exam score.

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Definitions:

Changing Environment

The modification or alteration of the surroundings or conditions in which a person, animal, or plant lives or operates.

Figure

In the context of perception, an object or shape that is distinguished from its background.

Ground

The solid surface of the Earth that serves as a foundational base for structures and landscapes.

White Spot

A descriptive term that can refer to a localized area of lighter pigmentation on the skin, or can be used in various contexts to indicate an anomaly or specific feature.