ISEE Middle Level Quantitative : ISEE Middle Level (grades 7-8) Quantitative Reasoning

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

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Example Questions

Example Question #6 : Data Analysis

The average age of 4 people is 12.  What will be the sum of their ages in 3 years?

Possible Answers:

Correct answer:

Explanation:

The current sum of their ages is .  Since all 4 people will gain 3 years in age, we have to add 12 to the current sum.

Example Question #4 : Data Analysis

Give the mean of the following data set:

Possible Answers:

Correct answer:

Explanation:

Since there are 16 elements, divide their sum by 16 to get the mean:

Example Question #21 : Data Analysis And Probability

Find the average of this set of numbers:

521, 834, 754, 902, 899

Possible Answers:

Correct answer:

Explanation:

First, add all the numbers in this set:

Divide, 3910 by the total amount of numbers in the set:

Answer: The average is 782.

Example Question #1 : Find Mean

Find the mean in this set of numbers:

5570, 4886, 5226, 4120, 6561, 4120, 6008

Possible Answers:

Correct answer:

Explanation:

First, add all the numbers in this set:

Then, divide that amount by the total number in the set:

 

Answer: The mean is 5213.

Example Question #2 : Mean

Find the average of this set of numbers:

2521, 2512, 2525, 2552, 2551, 2525, 2517

Possible Answers:

Correct answer:

Explanation:

First, add all the numbers in this set:

Then, divide by the amount of numbers in the set:

Answer: The average is

 

 

Example Question #2 : Mean

In my town, a gallon of milk costs $3.21, $3.39 and $3.51 in three different stores. What is the average price of a gallon of milk in my town?

Possible Answers:

Correct answer:

Explanation:

First, add all of the prices:

Then divide, that amount by 3 (number of stores in town):

Answer: The average price of a gallon of milk is

Example Question #11 : Mean

In my town, a gallon of gas costs $3.47, $3.79 and $3.60 in three different stations. What is the average price of a gallon of gas in my town?

Possible Answers:

Correct answer:

Explanation:

First, add all of the prices:

Then, divide by 3 (total number of stations)

Answer: The average price for a gallon of gas in my town is

Example Question #291 : Isee Middle Level (Grades 7 8) Quantitative Reasoning

Find the mean in this set of numbers:

3343, 4434, 4334, 3343, 4343, 3434, 3334

Possible Answers:

Correct answer:

Explanation:

First, add all the numbers in this set:

Then, divide by 7 (the amount of numbers in this set):

Answer: The mean is 3795

Example Question #21 : Mean

Find the mean for this set of numbers:

6366, 6336, 6366, 6633, 6333, 6363, 6669

Possible Answers:

Correct answer:

Explanation:

First, add all the numbers in the set:

Then, divide by the total amount of numbers in the set:

Answer: The mean is 6438

Example Question #1 : How To Find Mean

Felicia ran three races as a member of the track team. The races were 1000 meters, 2000 meters and 1800 meters, respectively. What was the average distance of the 3 races?

Possible Answers:

Correct answer:

Explanation:

First, add the lengths of the races:

Then divide by the number of races:

Answer: The average race was 1600 meters.

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