ISEE Upper Level Math : ISEE Upper Level (grades 9-12) Mathematics Achievement

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

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Example Questions

Example Question #591 : Isee Upper Level (Grades 9 12) Mathematics Achievement

Determine the median of the following seven test scores:

Possible Answers:

Correct answer:

Explanation:

To determine the median of a set of numbers, you first need to order them from least to greatest:

Since there is an odd number of scores, the median is the score that falls exactly in the middle of the new list. Thus, the median is 88.

Example Question #14 : Median

Determine the median of the following set of numbers:

Possible Answers:

Correct answer:

Explanation:

To determine the median of a set of numbers, you first need to order them from least to greatest:

Since there is an even amount of numbers, the median is determined by finding the average of the two numbers in the middle - 36 and 44.

 

Thus, the median is 40.

Example Question #592 : Isee Upper Level (Grades 9 12) Mathematics Achievement

Find the median of the following numbers:

Possible Answers:

Correct answer:

Explanation:

The median is the center number when the data points are listed in ascending or descending order. To find the median, reorder the values in numerical order:

In this problem, the middle number, or median, is the third number, which is

Example Question #41 : Data Analysis

What is the median of the following set?

Possible Answers:

Correct answer:

Explanation:

The first step towards solving for the set,  is to reorder the numbers from smallest to largest. 

This gives us:

The median is equal to middle number in s a set. In since this set has 6 numbers, which is even, the average of the middle two numbers is the mean. The average can be found using the equation below:

Example Question #593 : Isee Upper Level (Grades 9 12) Mathematics Achievement

Find the median of the following data set:

Possible Answers:

Correct answer:

Explanation:

Find the median of the following data set:

Begin by putting your numbers in increasing order:

Next, identify the median by choosing the middle value:

So, our answer is 55

 

Example Question #593 : Isee Upper Level (Grades 9 12) Mathematics Achievement

Find the median of the following data set:

Possible Answers:

Correct answer:

Explanation:

Find the median of the following data set:

Let's begin by rearranging our terms from least to greatest:

Now, the median will be the middle term:

Example Question #595 : Isee Upper Level (Grades 9 12) Mathematics Achievement

Find the median of the following data set:

Possible Answers:

Correct answer:

Explanation:

Find the median of the following data set:

First, let's put our terms in increasing order:

Now, we can find our median simply by choosing the middle term.

So, 56 is our median.

Example Question #596 : Isee Upper Level (Grades 9 12) Mathematics Achievement

Find the median of the following data set:

Possible Answers:

Correct answer:

Explanation:

Find the median of the following data set:

First, let's put our terms in ascending order.

Now, our median will simply be the term which is in the middle.

So, our median is 67

Example Question #45 : Data Analysis

Use the following data set to answer the question:

 

Find the median.

Possible Answers:

Correct answer:

Explanation:

To find the median of a data set, we will first arrange the numbers in ascending order. Then, we will locate the number in the center of the data set.

So, given the data set

we will arrange the numbers in ascending order.  To do that, we will arrange them from smallest to largest.  So, we get

Now, we will locate the number in the center of the data set.  

We can see that it is 6.

 

Therefore, the median of the data set is 6.

Example Question #46 : Data Analysis

In a class of  students, a poll was taken to see how many siblings students had. The results in the poll were then made into a table.

Number of Siblings Number of Students with the Specific Number of Siblings
0 5
1 9
2 4
3 2

What is the median number of siblings the class has?

Possible Answers:

Correct answer:

Explanation:

Recall that the median is the middle number of a data set, when the data has been put in ascending order.

Start by writing out all the individual data points in ascending order:

Since we have an even number of students in the class, the median number will be between the middle two data points. In this case, the middle two points are both , so the median must also be .

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