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Algebra 1 : Statistics and Probability

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Example Questions

Example Question #271 : Statistics And Probability

Consider the following set:

15,17,12,13,14,11,14,10,22,16,9

Find the median of the set.

Possible Answers:

Correct answer:

Explanation:

To find the median of the set, we need to arrange the numbers from smallest to largest and find the number in the middle of the set.

$9,10,11,12,13,{\color{Red} 14},14,15,16,17,22$

In this case we can find that the median is .

Since there is an odd number of integers in this data set, there will be an even amount of integers to either side of the median.

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Example Question #1696 : Algebra 1

What is the median of 6,5,3,4 and ?

Possible Answers:

Correct answer:

Explanation:

In order to find the median of a set of numbers, we must find identify the middle number of the set when all of the set's numbers are arranged in ascending or descending order. Given 6,5,3,4 and , we know that the ordered set is 3,4,5,6,7 and the median is therefore .

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Example Question #1697 : Algebra 1

What is the median of 2,1,-2,-1 ?

Possible Answers:

Correct answer:

Explanation:

In order to find the median of a set of numbers, we must find identify the middle number of the set when all of the set's numbers are arranged in ascending or descending order. Given 2,1,-2,-1 , we know that the ordered set is -2,-1,1,2 . Since we have an even number of terms, we must now take the middle two terms, and , and average them in order to find the median:

$\frac{-1+1}{2}=\frac{0}{2}=0$ .

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Example Question #271 : Statistics And Probability

What is the median of 8,9,5,4,2,6 ?

Possible Answers:

$\frac{11}2{}$

Correct answer:

$\frac{11}2{}$

Explanation:

In order to find the median of a set of numbers, we must find identify the middle number of the set when all of the set's numbers are arranged in ascending or descending order. Given 8,9,5,4,2,6 , we know that the ordered set is 2,4,5,6,8,9 . Since we have an even number of terms, we must now take the middle two terms, and , and average them in order to find the median:

$\frac{5+6}{2}=\frac{11}{2}$ .

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Example Question #1698 : Algebra 1

What is the median of 5,2,1,9,10 ?

Possible Answers:

Correct answer:

Explanation:

In order to find the median of a set of numbers, we must find identify the middle number of the set when all of the set's numbers are arranged in ascending or descending order. Given 5,2,1,9,10 , we know that the ordered set is 1,2,5,9,10 and the median is therefore .

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Example Question #72 : How To Find Median

What is the median of 2,1,-1,4,3 ?

Possible Answers:

Correct answer:

Explanation:

In order to find the median of a set of numbers, we must find identify the middle number of the set when all of the set's numbers are arranged in ascending or descending order. Given 2,1,-1,4,3 , we know that the ordered set is -1,1,2,3,4 and the median is therefore .

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Example Question #73 : How To Find Median

What is the median of 3,5,4,7,1,2,6,8 ?

Possible Answers:

$\frac{9}{2}$

Correct answer:

$\frac{9}{2}$

Explanation:

In order to find the median of a set of numbers, we must find identify the middle number of the set when all of the set's numbers are arranged in ascending or descending order. Given 3,5,4,7,1,2,6,8 , we know that the ordered set is 1,2,3,4,5,6,7,8 . Since we have two numbers in the middle of the set, and , we must average the numbers to get the median, like so:

$\frac{4+5}{2}=\frac{9}{2}$

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Example Question #271 : Statistics And Probability

What is the median of the following of numbers?

10,16,72,35,49,-3,-54

Possible Answers:

126

17.9

Correct answer:

Explanation:

The median is the number in the middle once the set of numbers have been written in increasing order.

-54,-3,10,16,35,49,72

Thus, the median is .

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Example Question #75 : How To Find Median

What is the median of 8,4,-3,9,-2 ?

Possible Answers:

Correct answer:

Explanation:

In order to find the median of a set of numbers, we must find identify the middle number of the set when all of the set's numbers are arranged in ascending or descending order.

Given

8,4,-3,9,-2 ,

we know that the ordered set is

-3,-2,4,8,9

and the median is therefore .

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Example Question #76 : How To Find Median

What is the median of 1,10,9,6,-6 ?

Possible Answers:

Correct answer:

Explanation:

In order to find the median of a set of numbers, we must find identify the middle number of the set when all of the set's numbers are arranged in ascending or descending order.

Given

1,10,9,6,-6 ,

we know that the ordered set is

-6,1,6,9,10

and the median is therefore .

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Algebra 1 : Statistics and Probability

Study concepts, example questions & explanations for Algebra 1

All Algebra 1 Resources

Example Questions

Example Question #271 : Statistics And Probability

Example Question #1696 : Algebra 1

Example Question #1697 : Algebra 1

Example Question #271 : Statistics And Probability

Example Question #1698 : Algebra 1

Example Question #72 : How To Find Median

Example Question #73 : How To Find Median

Example Question #271 : Statistics And Probability

Example Question #75 : How To Find Median

Example Question #76 : How To Find Median

All Algebra 1 Resources

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