ISEE Middle Level Quantitative : Data Analysis

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

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Example Questions

Example Question #1 : How To Find 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 #1 : How To Find 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 #2 : How To Find 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 #11 : Data Analysis

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 : How To Find 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 #5 : 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.

Example Question #11 : Mean

Lori walks her dog for 13 minutes on Monday, 6.5 minutes on Wednesday and 10.5 on Friday. On average, how long are Lori's walks with her dog?

Possible Answers:

Correct answer:

Explanation:

First, add all the lengths of time:

Then, divide by 3 (the amount of days Lori walked her dog):

Answer: 10 minutes

Example Question #301 : Isee Middle Level (Grades 7 8) Quantitative Reasoning

Find the average of these amounts:

$34.78, $21. 69, $76.89, $47.88

Possible Answers:

Correct answer:

Explanation:

First, add all the amounts:

Then, divide by 4:

Answer: The average is 45.31

Example Question #302 : Isee Middle Level (Grades 7 8) Quantitative Reasoning

Find the mean of this set of numbers:

5855, 5588, 5585, 5858, 5885, 5559, 5885

Possible Answers:

Correct answer:

Explanation:

First, add the numbers in the set:

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

Answer: The mean is 5745.

Example Question #14 : Mean

Find the mean of the following set of numbers:  227, 215, 206, 238, 249

Possible Answers:

Correct answer:

Explanation:

Add the numbers, and divide by 5:

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