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 #22 : How To Find 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 #12 : Find Mean

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 #262 : Data Analysis And Probability

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 #23 : How To Find 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:

Example Question #22 : Data Analysis

Patricia bought three candles for her home. The candles cost $2.78, $3.68, $1.58, respectively. What was the average price of the candles that Patricia bought?

 

Possible Answers:

Correct answer:

Explanation:

First, add all the prices:

Then, divide that amount by 3:

Answer: The average price of a candle is $2.68

Example Question #31 : How To Find Mean

Find the mean in this set of numbers:

9078, 9008, 9800, 9099, 9009, 9090, 9008

Possible Answers:

Correct answer:

Explanation:

First add all the numbers:

Then, divide that number by 7:

Answer: The mean is 9156

Example Question #32 : How To Find Mean

While shopping for a couch, Mila found four she really liked. Each cost , and . What is the average price of a couch Mila is considering?

Possible Answers:

Correct answer:

Explanation:

First, add all the prices:

Then, divide by 4 (the number of couches):

Answer: The average price of a couch Mila is considering is $612.

Example Question #13 : How To Find Mean

Elizabeth went food shopping today. She spent $32.78, $21.63 and $19.39 at each supermarket. How much did Elizabeth spend, on average, at each supermarket?

Possible Answers:

Correct answer:

Explanation:

First, add the amounts Elizabeth spent at each supermarket:

Then divide by 3 (the number of supermarkets she went to):

Answer: On average, Elizabeth spent $24.60 at each supermarket.

Example Question #14 : How To Find Mean

Find the mean in this set of numbers:

Possible Answers:

Correct answer:

Explanation:

First add all the numbers in the set:

Then, divide that number by 5:

Answer: The mean is 619.

Example Question #21 : Find Mean

Find the mean in this set of numbers:

210, 120, 110, 220, 120

Possible Answers:

Correct answer:

Explanation:

First, add up all of the numbers in the set:

Then, divide:

Answer: The mean is 156.

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