ISEE Middle Level Quantitative : Data Analysis

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

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Example Questions

Example Question #25 : Mean

Find the mean of this set of numbers:

Possible Answers:

Correct answer:

Explanation:

First, add the numbers:

Then, divide by 7:

 

Example Question #31 : Mean

Find the mean of this set of numbers:

Possible Answers:

Correct answer:

Explanation:

First add the numbers in the set: 

Then, divide by 7:

 

Example Question #1722 : Grade 6

Peter went fishing and caught 5 fish the first hour, 3 fish the second hour, and 4 the last hour. On average, how many fish did Peter catch per hour?

Possible Answers:

Correct answer:

Explanation:

First, add up the three numbers:

Then, divide by 3, because there are three numbers in the data set:

Answer: On average, Peter caught 4 fish per hour.

Example Question #1 : Find Measures Of Center, Variability, And Patterns In Data: Ccss.Math.Content.6.Sp.B.5c

Consider the data set: 

What is the difference between the mean of this set and the median of this set?

Possible Answers:

Correct answer:

Explanation:

To get the mean, add the numbers and divide by 8:

To get the median, find the mean of the fourth- and fifth-highest elements (the ones in the middle):

The difference is 

Example Question #1721 : Grade 6

What is the mean of the values , , ,

Possible Answers:

Correct answer:

Explanation:

The mean of a set of values can be calculated by adding the values together and dividing by the number of values: 

Example Question #563 : Isee Middle Level (Grades 7 8) Mathematics Achievement

Adrienne is trying on dresses for prom. The dresses she likes each cost , ,  and , respectively. What is the average dress price that Adrienne is considering?

Possible Answers:

Correct answer:

Explanation:

First, add up all of the dress prices:

Then, divide by the number of dresses:

Answer: The average dress price is 

Example Question #1721 : Grade 6

Find the mean of the data set provided:

Screen shot 2016 04 05 at 8.55.18 am

Possible Answers:

Correct answer:

Explanation:

In order to answer this question correctly, we need to recall the definition of mean:

Mean: The mean of a data set is the average of the numbers in a data set. 

In order to calculate the mean we must first add up all of the numbers in the data set:

 

Next, we need to divide by the number of addends, or the number of numbers in the data set:

The mean for this data set is 

Example Question #101 : Data Analysis And Probability

Find the mean, rounded to the nearest hundredth, of the data set provided:

Screen shot 2016 04 05 at 9.44.17 am

Possible Answers:

Correct answer:

Explanation:

In order to answer this question correctly, we need to recall the definition of mean:

Mean: The mean of a data set is the average of the numbers in a data set. 

In order to calculate the mean we must first add up all of the numbers in the data set:

 

Next, we need to divide by the number of addends, or the number of numbers in the data set:

The mean, rounded to the nearest hundredth, for this data set is 

Example Question #1724 : Grade 6

Find the mean, rounded to the nearest hundredth, of the data set provided:


Screen shot 2016 04 05 at 10.03.05 am

Possible Answers:

Correct answer:

Explanation:

In order to answer this question correctly, we need to recall the definition of mean:

Mean: The mean of a data set is the average of the numbers in a data set. 

In order to calculate the mean we must first add up all of the numbers in the data set:

 

Next, we need to divide by the number of addends, or the number of numbers in the data set:

The mean, rounded to the nearest hundredth, for this data set is 

Example Question #102 : Data Analysis And Probability

Find the mean of the data set provided:

Screen shot 2016 04 05 at 10.19.45 am

Possible Answers:

Correct answer:

Explanation:

In order to answer this question correctly, we need to recall the definition of mean:

Mean: The mean of a data set is the average of the numbers in a data set. 

In order to calculate the mean we must first add up all of the numbers in the data set:

 

Next, we need to divide by the number of addends, or the number of numbers in the data set:

The mean for this data set is 

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