ISEE Middle Level Math : Mean

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

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Example Questions

Example Question #41 : Mean

Find the mean of this set of numbers: 

Possible Answers:

Correct answer:

Explanation:

First, add all the numbers in this set: 

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

Answer: The mean is .

Example Question #42 : Mean

What is the mean of the following numbers?

Possible Answers:

Correct answer:

Explanation:

The mean is determined by calculating the sum of all values divided by the total number of values:

Example Question #41 : Mean

What is the average of the numbers in this set?

Possible Answers:

Correct answer:

Explanation:

First add all three numbers: 

Then divide by :

 

 

Example Question #43 : Mean

What is the range in this set of numbers?

Possible Answers:

Correct answer:

Explanation:

Order the numbers from least to greatest: 

Then subtract the smallest number from the largest number: 

Example Question #44 : Mean

Find the mean in this set of numbers:

Possible Answers:

Correct answer:

Explanation:

First add all the numbers in this set:

Then divide by :

 

Example Question #42 : Mean

Britney is shopping for shorts. What is the average price of the shorts Britney is considering buying if their prices are $7.99, $10.99, $12.99 and $9.99?

 

 

Possible Answers:

 

Correct answer:

 

Explanation:

First, add the the prices of the shorts:

Then, divide that amount by the total number of shorts:

The answer is .

Example Question #43 : Mean

It rained 2 inches on Saturday, 4 inches on Sunday, 3, inches on Monday, and 3 inches on Tuesday. On average, how many inches did it rain each day?

 

Possible Answers:

Correct answer:

Explanation:

Find the total inches of rain first:

Then, divide by the number of days:

.

Therefore, on average, it rained 3 inches a day.

Example Question #75 : Data Analysis And Probability

Find the mean in this set of numbers:

Possible Answers:

Correct answer:

Explanation:

First add all the numbers in the set:

Then, divide by the number of terms in the set:

Answer: The mean is .

Example Question #44 : Mean

Find the average in this set of numbers:

Possible Answers:

Correct answer:

Explanation:

First, add all the numbers in the set:

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

Answer: The average is

Example Question #76 : Data Analysis And Probability

Find the mean of this set of numbers:

Possible Answers:

Correct answer:

Explanation:

First, add up the numbers:

Then, divide by the number of terms in the set:

Answer: The mean is .

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