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SSSSS [86.1K]
4 years ago
15

The box plot shows the number of years during which 16 schools have participated in a marching band competition:

Mathematics
1 answer:
mariarad [96]4 years ago
6 0

From the given box and whisker's plot, we have

Q_1=3\\
Q_2=5\\
Q_3=7\\
Max=10\\
Min=1

Now, we know that there is half data distributed between the lower and upper quartiles.

Also, we have to find that how many schools have participated for 3 to 7 years. It means we need to find the number of years in between Q1 and Q3.

The total number of schools is 16.

Hence, number of schools have participated for 3 to 7 years is given by half of the total number of schools.

=\frac{1}{2} \times 16\\
\\
=8

Therefore, 8 schools have participated for 3 to 7 years.

D is the correct option.

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