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sbender2901
25.10.2020 •
Mathematics
The stem-and-leaf plot shows the test scores of a science class. Use the plot to answer the question. How many students scored 78?
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Ответ:
4 students
Step-by-step explanation:
Understanding stem-and-leaf plots
A stem and leaf plot is designed in a way to group the numbers by their values before the ones place;
i.e. 92, 100, 101, 103, 113
Charted as
9 | 2
10 | 0 1 3
11 | 3
So, with that in mind we know 78 is grouped under the 7 | # # #
stem and has the leaf of 8 which is displayed by # | # # # 8
SO,
TO SOLVE:
Count the 8's under the 7 | # # # # group
We can see that there are 4 8's under that section, and assuming that each number is representative of one students score, we can conclude that 4 students scored 78
Hope this helps,
J.M."Jamon"
Pennsylvania State University
Full-Time B.S.CE. Undergrad
Ответ:
The opposite number of +43 is -43 , I hope this is helpful :)