Common Core: 6th Grade Math : Compare the Measure of Center and Measure of Variation: CCSS.Math.Content.6.SP.A.3

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

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Example Questions

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Example Question #11 : Compare The Measure Of Center And Measure Of Variation: Ccss.Math.Content.6.Sp.A.3

Mr. Sommers wanted to see how much money his students spent on school lunch in a given day. The distribution of this data is shown in the plot provided. Use the information provided in the plot to fill in the blank of the table. 

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Possible Answers:

Correct answer:

Explanation:

The table shows how far away each data value is from the mean. In order to solve for the missing piece of the table, we first need to solve for the mean:

In order to solve for the mean, we need to add up all of the money spent on lunch, and then divide by the number of addends in our set:

The mean for this data set is 

Next, we can subtract the data value from the mean to find the deviation from the mean:

The correct answer is 

Example Question #31 : Statistics & Probability

Mr. Sommers wanted to see how much money his students spent on school lunch in a given day. The distribution of this data is shown in the plot provided, with each x representing one student in his class. What is the median amount of money that a student spends on lunch?

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Possible Answers:

Correct answer:

Explanation:

In order to solve for median, we need to list all of our data points in order from least to greatest:

Next, we want to find the number, or numbers that are in the middle:

The center of distribution, using the median, is 

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