ISEE Middle Level Math : How to find median

Study concepts, example questions & explanations for ISEE Middle Level Math

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Example Questions

Example Question #31 : Median

Find the median in this set of numbers: 

\(\displaystyle 7890, 7980, 7889, 7898, 7990\)

 

Possible Answers:

\(\displaystyle 7990\)

\(\displaystyle 7898\)

\(\displaystyle 7890\)

\(\displaystyle 7889\)

Correct answer:

\(\displaystyle 7898\)

Explanation:

First, order the numbers from least to greatest: 

\(\displaystyle 7889, 7890, 7898, 7980, 7990\)

Then, identify the middle number: \(\displaystyle 7898\)

Answer: The median is \(\displaystyle 7898\)

Example Question #32 : Median

Find the median in this set of numbers: 

\(\displaystyle 1185, 1518, 1158, 1581, 1851, 1581, 1815\)

Possible Answers:

\(\displaystyle 1518\)

\(\displaystyle 1851\)

\(\displaystyle 1815\)

\(\displaystyle 1581\)

Correct answer:

\(\displaystyle 1581\)

Explanation:

First, order the numbers from least to greatest:

\(\displaystyle 1158, 1185, 1518, 1581, 1581, 1815, 1851\)

Then, identify the middle number in the set: \(\displaystyle 1581\)

Example Question #33 : Median

Find the median in this set of numbers:

\(\displaystyle 16, 12 , 13, 17, 18, 19, 11\)

Possible Answers:

\(\displaystyle 16\)

\(\displaystyle 19\)

\(\displaystyle 12\)

\(\displaystyle 13\)

Correct answer:

\(\displaystyle 16\)

Explanation:

First, order the numbers from least to greatest:

\(\displaystyle 11, 12, 13, 16, 17, 18, 19\)

Then, identify the middle number: \(\displaystyle 16\)

Answer: The median is \(\displaystyle 16\).

Example Question #34 : Median

Find the median in this set of numbers:

\(\displaystyle 55, 50, 52, 56, 54, 56,51\)

Possible Answers:

\(\displaystyle 51\)

\(\displaystyle 55\)

\(\displaystyle 56\)

\(\displaystyle 54\)

Correct answer:

\(\displaystyle 54\)

Explanation:

First, order the numbers from least to greatest:

\(\displaystyle 50, 51, 52, 54, 55, 56, 56\)

Then, find the middle number: \(\displaystyle 54\)

Answer: The median is \(\displaystyle 54\).

Example Question #35 : Median

What is the median in this set of numbers: 

\(\displaystyle 1150, 1550, 1510\)

Possible Answers:

\(\displaystyle 1500\)

\(\displaystyle 350\)

\(\displaystyle 1510\)

\(\displaystyle 1150\)

Correct answer:

\(\displaystyle 1510\)

Explanation:

Order the numbers from least to greatest: 

\(\displaystyle 1150, 1510, 1550\)

Then identify the middle number: \(\displaystyle 1510\)

 

Example Question #36 : Median

Find the median in this set of numbers:

\(\displaystyle 654, 645, 646, 656, 655, 666, 644\)

Possible Answers:

\(\displaystyle 654\)

\(\displaystyle 645\)

\(\displaystyle 644\)

\(\displaystyle 655\)

Correct answer:

\(\displaystyle 654\)

Explanation:

First, order the numbers from least to greatest:

\(\displaystyle 644, 645, 646, 654, 655, 656, 666\)

Then, identify the middle number: \(\displaystyle 654\)

 

Example Question #37 : Median

Find the median of 56, 12, 34, 73, and 66.

Possible Answers:

\(\displaystyle 56\)

 

\(\displaystyle 73\)

\(\displaystyle 34\)

\(\displaystyle 66\)

\(\displaystyle 12\)

Correct answer:

\(\displaystyle 56\)

 

Explanation:

First, place the numbers in order from smallest to largest:

\(\displaystyle 12, 34, 56, 66, 73\)

Then, identify the middle number, as this is the median.

The median is therefore 56.

Example Question #744 : Isee Middle Level (Grades 7 8) Mathematics Achievement

Find the median in this set of numbers:

\(\displaystyle 58, 62, 57, 56, 61\)

Possible Answers:

\(\displaystyle 56\)

\(\displaystyle 58\)

\(\displaystyle 61\)

\(\displaystyle 62\)

\(\displaystyle 57\)

Correct answer:

\(\displaystyle 58\)

Explanation:

First, order the numbers from least to greatest:

\(\displaystyle 56, 57, 58, 61, 62\)

Then, identify the middle number: \(\displaystyle 58\)

Answer: The median is \(\displaystyle 58.\)

Example Question #38 : Median

Find the median in this set of numbers:

\(\displaystyle 43, 48, 41, 45, 40\)

Possible Answers:

\(\displaystyle 41\)

\(\displaystyle 48\)

\(\displaystyle 43\)

\(\displaystyle 40\)

Correct answer:

\(\displaystyle 43\)

Explanation:

First order the numbers from least to greatest:

\(\displaystyle 40, 41, 43, 45, 48\)

Then find the middle number: \(\displaystyle 43\)

Answer: The median is \(\displaystyle 43\).

Example Question #40 : How To Find Median

Find the median in this set of numbers:

\(\displaystyle 27, 21, 23, 28, 26\)

Possible Answers:

\(\displaystyle 29\)

\(\displaystyle 7\)

\(\displaystyle 21\)

\(\displaystyle 26\)

\(\displaystyle 27\)

Correct answer:

\(\displaystyle 26\)

Explanation:

First, order the numbers from least to greatest:

\(\displaystyle 21, 23, 26, 27, 28\)

Now we can easily identify the middle number: \(\displaystyle 26\)

Answer: The median is \(\displaystyle 26\).

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