ISEE Middle Level Quantitative : Data Analysis

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

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Example Questions

Example Question #121 : Data Analysis

Use the chart below to answer the question.

Screen shot 2015 09 28 at 10.01.05 am

How many more students have a sibling in the first grade group than the fourth grade group? 

 

Possible Answers:

Correct answer:

Explanation:

Each square represents  students. The first grade bar has  squares in it, which means there are  students who have a sibling ().The fourth grade bar has  squares in it, which means there are  students who have a sibling (). 

To find the difference we subtract. 

Example Question #11 : Representing And Interpreting Data

Use the chart below to answer the question.


Screen shot 2015 09 28 at 10.01.05 am

How many more students have a sibling in the fourth grade group than the third grade group? 

 

Possible Answers:

Correct answer:

Explanation:

Each square represents  students. The fourth grade bar has  squares in it, which means there are  students who have a sibling ().The third grade bar has  squares in it, which means there are  students who have a sibling (). 

To find the difference we subtract. 

Example Question #122 : Data Analysis

Use the chart below to answer the question.

Screen shot 2015 09 28 at 10.01.05 am

How many more students have a sibling in the second grade group than the third grade group? 

 

Possible Answers:

Correct answer:

Explanation:

Each square represents  students. The second grade bar has  squares in it, which means there are  students who have a sibling ().The third grade bar has  squares in it, which means there are  students who have a sibling ().

To find the difference we subtract. 

Example Question #123 : Data Analysis

Use the chart below to answer the question.


Screen shot 2015 09 28 at 10.01.05 am

How many more students have a sibling in the second grade group than the first grade group? 

Possible Answers:

Correct answer:

Explanation:

Each square represents  students. The second grade bar has  squares in it, which means there are  students who have a sibling ().The first grade bar has  squares in it, which means there are  students who have a sibling ().

To find the difference we subtract. 

Example Question #101 : Tables

Use the chart below to answer the question.

Screen shot 2015 09 28 at 10.01.05 am

How many more students have a sibling in the second grade group than the fourth grade group? 

 

Possible Answers:

Correct answer:

Explanation:

Each square represents  students. The second grade bar has  squares in it, which means there are  students who have a sibling ().The fourth grade bar has  squares in it, which means there are  students who have a sibling ().

To find the difference we subtract. 

Example Question #125 : Data Analysis

Use the chart below to answer the question.

Screen shot 2015 09 28 at 10.01.05 am

How many students have a sibling in the fourth grade group and the third grade group?

Possible Answers:

Correct answer:

Explanation:

Each square represents  students. The fourth grade bar has  squares in it, which means there are  students who have a sibling ().The third grade bar has  squares in it, which means there are  students who have a sibling ().

To find the total in both grades we add. 

Example Question #102 : Tables

Use the chart below to answer the question.

Screen shot 2015 09 28 at 10.01.05 am

How many students have a sibling in the second grade group and the first grade group?

 

Possible Answers:

Correct answer:

Explanation:

Each square represents  students. The second grade bar has  squares in it, which means there are  students who have a sibling ().The first grade bar has  squares in it, which means there are  students who have a sibling ().

To find the total in both grades we add. 

Example Question #121 : Data Analysis

Use the chart below to answer the question.


Screen shot 2015 09 28 at 10.01.05 am

How many students in fourth grade have a sibling? 

Possible Answers:

Correct answer:

Explanation:

Each square represents  students. The fourth grade bar has  squares in it. That means we can take  to find our total. 

Example Question #1 : How To Find The Missing Part Of A List

A geometric sequence begins as follows:

Which is the greater quantity? 

(a) The seventh term of the sequence

(b) 

Possible Answers:

It is impossible to tell from the information given

(b) is greater

(a) is greater

(a) and (b) are equal

Correct answer:

(a) is greater

Explanation:

The common ratio of the sequence is , so the next four terms of the sequence are:

, the seventh term, which is greater than 3,000.

Example Question #2 : How To Find The Missing Part Of A List

Seven students are running for student council. A student can vote for any three. Steve wants to vote for his girlfriend Marsha. 

Which is the greater quantity?

(a) The number of ways Steve can fill out his ballot so that he can vote for Marsha

(b) 

Possible Answers:

(b) is greater

(a) is greater

(a) and (b) are equal

It is impossible to tell from the information given

Correct answer:

(a) and (b) are equal

Explanation:

Since one of Steve's votes has already been decided, this is a choice of two out of the remaining six without regard to order - that is, the number of combinations of two out of a set of six. This is 

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