Common Core: 6th Grade Math : Statistics & Probability

Study concepts, example questions & explanations for Common Core: 6th Grade Math

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Example Questions

Example Question #4 : How To Find Mean

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 #13 : Data Analysis

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 

Example Question #3 : Median

Give the median of the following eight scores: 

Possible Answers:

Correct answer:

Explanation:

Arrange the scores from least to greatest.

There are an even number (eight) of scores, so the median is the arithmetic mean of the middle two scores, 72 and 73. This makes the median

Example Question #4 : Median

Find the median of this set of numbers:

753, 159, 456, 654, 852, 963, 741.

 

Possible Answers:

Correct answer:

Explanation:

First, order the numbers from least to greatest.

Then, identify the middle number:

 

 

 

Example Question #1 : Find Median

Find the median of this set of numbers:

60, 74, 51, 43, 91,62, 65

Possible Answers:

Correct answer:

Explanation:

First, place the numbers in order from least to greatest:

Then, identify the middle number: 62.

 

Example Question #2 : Find Median

Give the median of the following nine scores: 

Possible Answers:

Correct answer:

Explanation:

Arrange the scores from least to greatest.

There are an odd number (nine) of scores, so the median of the scores is the one that falls in the center - namely, 72.

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