Based on the given Stem-and-leaf plot, if two test scores were added, C. The median and the mode will both change.
What would happen is 79 and 79 are added?
The current mode in the Stem-and-Leaf Plot is 74 because it appears 3 times.
If 79 and 79 are added, the number 79 would then become the new mode by appearing 4 times.
The median would also change because the addition of two numbers would move it from the current position to a new middle position.
Find out more on stem-and-leaf plots at https://brainly.com/question/27250577.
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