Based on the given stem and leaf plot of the scores of the ninth and tenth graders, the difference between the tenth and ninth-grader modes <u>is 7.</u>
<h3>What is the tenth grade mode?</h3>
The mode is the score that appears the most times.
From the stem and lead plot, this number is 42 as it appears 3 times. This is shown by the 4th stem having 2 leafs three times.
<h3>What is the ninth grader mode?</h3>
The third stem has five leafs four times so the mode would therefore be 35.
The difference is then:
= 42 - 35
= 7
Find out more on stem and leaf plots at brainly.com/question/8649311.
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