GMAT Quantitative Reasoning - Median

1

What is the median of the following numbers?

$\frac{1}{2}, \frac{1}{3},\frac{1}{4},\frac{1}{5},\frac{1}{6},\frac{1}{7}$

2

What is the median of the following numbers?

$\frac{1}{2}, \frac{1}{3},\frac{1}{4},\frac{1}{5},\frac{1}{6},\frac{1}{7}$

3

Give the median of the following data set in terms of :

$\left {a -1, a +2, a-3, a+ 4, a -5, a+6, a-7, a+8 \right }$

4

Give the median of the following data set in terms of :

$\left {a -1, a +2, a-3, a+ 4, a -5, a+6, a-7, a+8 \right }$

5

Below is the stem-and-leaf display of a set of test scores.

$\left.\begin{matrix} 4\ 5\ 6\ 7\ 8 \end{matrix}\right|\begin{matrix} \textrm{2 5}; ; ; ; ; ; ; ; ; ; ;; ; ; ; ; ; ; ; ; ;\ \textrm{4 4 7 7}; ; ; ; ; ; ; ; ; ; ;; ; ; ; \ \textrm{0 1 2 2 4 5 8 8 9}\ \textrm{3 5 5 8} ; ; ; ; ; ; ; ;; ; ; ; ; ; ; \ \textrm{7 }; ; ; ; ; ; ; ; ; ;; ; ; ; ; ; ; ; ; ; ; ; ; \end{matrix}$

What is the first quartile of these test scores?

6

Below is the stem-and-leaf display of a set of test scores.

$\left.\begin{matrix} 4\ 5\ 6\ 7\ 8 \end{matrix}\right|\begin{matrix} \textrm{2 5}; ; ; ; ; ; ; ; ; ; ;; ; ; ; ; ; ; ; ; ;\ \textrm{4 4 7 7}; ; ; ; ; ; ; ; ; ; ;; ; ; ; \ \textrm{0 1 2 2 4 5 8 8 9}\ \textrm{3 5 5 8} ; ; ; ; ; ; ; ;; ; ; ; ; ; ; \ \textrm{7 }; ; ; ; ; ; ; ; ; ;; ; ; ; ; ; ; ; ; ; ; ; ; \end{matrix}$

What is the first quartile of these test scores?

7

Sally is collecting information about the lengths of tree branches that fell in her back yard during a powerful storm the night before. With her trusty measuring stick, she measures out 10 different branches and finds their lengths in feet to be

Calculate the median of the branch lengths

8

Janice's course score in her statistics class depends on her six hourly tests. The mean of her best five scores and the median of her best five scores are both calculated, and she is assigned the better of the two.

Janice's first five tests were 90, 92, 80, 75, and 86. What score, at minimum, does she need to be assured a course score of 85 or better for the term?

9

Janice's course score in her statistics class depends on her six hourly tests. The mean of her best five scores and the median of her best five scores are both calculated, and she is assigned the better of the two.

Janice's first five tests were 90, 92, 80, 75, and 86. What score, at minimum, does she need to be assured a course score of 85 or better for the term?

10

Sally is collecting information about the lengths of tree branches that fell in her back yard during a powerful storm the night before. With her trusty measuring stick, she measures out 10 different branches and finds their lengths in feet to be

Calculate the median of the branch lengths

Median

Practice Questions