How to find median

Practice Questions

ISEE Upper Level (grades 9-12) Quantitative Reasoning › How to find median

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1

Which is the greater quantity?

(a) The mean of the first ten prime numbers

(b) The median of the first ten prime numbers

2

Which is the greater quantity?

(a) The median of the data set $\left {8, 8, 9, 9, 10, 10, 11, 11,12, 12\right }$

(b) The median of the data set $\left {1,1, 2,2, 10, 10, 11, 11,12, 12\right }$

3

In the following set of data the mean and the mode are equal. Find the median.

$\left { 1,3,3,3,N,4,8 \right }$

4

A data set with nine elements has mean 10 and median 10. A new data set is formed with these nine elements, plus two new elements, 2 and 18.

Which is the greater quantity?

(a) The mean of the new data set

(b) The median of the new data set

5

In the following set of numbers compare the mean and the median of the set:

$\left { 28,25,31,34,37,43,40 \right }$

6

Which is the greater quantity?

(a) The median of the data set $\left { \frac{1}{2}, \frac{2}{3}, \frac{3}{4}, \frac{4}{5}, \frac{5}{6} \right }$

(b) $\frac{3}{4}$

7

A data set has twelve elements; the mean and the median of the set are both 50.

A new data set is formed by increasing each element by 5. Which is the greater quantity?

(a) The mean of the new data set

(b) The median of the new data set

8

Give the median of this data set:

Round to the nearest tenth, if applicable.

9

In the following set of data the mean is . Find the median.

$\left { 2,4,N,8,10 \right }$

10

In the following set of numbers compare the mean and the median of the set:

$\left { 1,2,4,8,10 \right }$

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