ISEE Middle Level Quantitative : Data Analysis and Probability

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

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Example Questions

Example Question #15 : Data Analysis

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 #12 : Find Measures Of Center, Variability, And Patterns In Data: Ccss.Math.Content.6.Sp.B.5c

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 #41 : 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 #2 : 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 #18 : Data Analysis

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 #19 : Data Analysis

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 #32 : Data Analysis And Probability

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 #41 : Data Analysis

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 #42 : Data Analysis

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 #304 : Isee Middle Level (Grades 7 8) Quantitative Reasoning

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

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