18
Question
A poll conducted on grade 9 students recorded their favorite authors as shown in the table below.
What would be an appropriate scale for the y-axis to represent this on a bar graph?
A poll conducted on grade 9 students recorded their favorite authors as shown in the table below.
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Solution
The correct option is A 0, 10, 20, 30,....
The data points to be represented on the y-axis range from 12 to 36.
Thus, the best scale to represent the above data would be such that each interval can divided into points that are close to both 12 and 36, and the data could be represented in a manner such that it is both concise and accurate.
Hence, among the given options, the most favorable scale would be 0, 10, 20, 30, ...
Additionally, the bar graph would look like this :
The data points to be represented on the y-axis range from 12 to 36.
Thus, the best scale to represent the above data would be such that each interval can divided into points that are close to both 12 and 36, and the data could be represented in a manner such that it is both concise and accurate.
Hence, among the given options, the most favorable scale would be 0, 10, 20, 30, ...
Additionally, the bar graph would look like this :
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