The following table shows the five-number summary for the number of years of experience for each teacher at Carlson High School.
$\begin{array}{ccccc} Min & Q_{1} & Median & Q_{3} & Max \\ 2 & 5 & 8 & 11 & 16 \end{array}$
About $25 %$ of Carlson High School teachers have fewer than how many years of experience?
Choose 1 answer:
(A) 2
(B) 5
(c) 8
(D) 11
(E) 16

Answer

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Answer

$5$

Steps

Step 1 ：Find the value that corresponds to the 25th percentile, which is the first quartile, $Q_{1}$

Step 2 ：The first quartile, $Q_{1}$ , is 5. So, about 25% of Carlson High School teachers have fewer than 5 years of experience.

Step 3 ： $5$