Common Core: 7th Grade Math : Use Measure of Center and Measure of Variability to Compare Populations: CCSS.Math.Content.7.SP.B.4

Study concepts, example questions & explanations for Common Core: 7th Grade Math

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Example Questions

Example Question #1 : Use Measure Of Center And Measure Of Variability To Compare Populations: Ccss.Math.Content.7.Sp.B.4

Two businesses monitored their profits for a week. Which business made the most profit, and what was the average profit per day of that business? 

Screen shot 2016 03 01 at 3.18.47 pm

Possible Answers:

Business B- 

Business B- 

Business A- 

Business A- 

Correct answer:

Business B- 

Explanation:

This is a two part problem. First, we need to find out which business made the most profit during the week. To do this, we simply add up the profits from each day:

Business A:

Business B:

Business B made the most profit, so the answer choices that said Business A made the most profit can be eliminated. 

To solve for the mean, we can take our added profits and divide them by the number of addends, which is :

Business A:

Business B:

Example Question #2 : Use Measure Of Center And Measure Of Variability To Compare Populations: Ccss.Math.Content.7.Sp.B.4

Two businesses monitored their profits for a week. Which business made the most profit, and what was the average profit per day of that business? 


Screen shot 2016 03 01 at 3.42.01 pm

Possible Answers:

Business A- 

Business B- 

Business B- 

Business A-

Correct answer:

Business B- 

Explanation:

This is a two part problem. First, we need to find out which business made the most profit during the week. To do this, we simply add up the profits from each day:

Business A:

Business B:

Business B made the most profit, so the answer choices that said Business A made the most profit can be eliminated. 

To solve for the mean, we can take our added profits and divide them by the number of addends, which is :

Business A:

Business B:

Example Question #3 : Use Measure Of Center And Measure Of Variability To Compare Populations: Ccss.Math.Content.7.Sp.B.4

Two businesses monitored their profits for a week. Which business made the most profit, and what was the average profit per day of that business? 


Screen shot 2016 03 01 at 3.49.08 pm

Possible Answers:

Business A- 

Business B- 

Business B- 

Business A- 

Correct answer:

Business A- 

Explanation:

This is a two part problem. First, we need to find out which business made the most profit during the week. To do this, we simply add up the profits from each day:

Business A:

Business B:

Business A made the most profit, so the answer choices that said Business B made the most profit can be eliminated. 

To solve for the mean, we can take our added profits and divide them by the number of addends, which is :

Business A:

Business B:

Example Question #4 : Use Measure Of Center And Measure Of Variability To Compare Populations: Ccss.Math.Content.7.Sp.B.4

Two businesses monitored their profits for a week. Which business made the most profit, and what was the average profit per day of that business? 


Screen shot 2016 03 01 at 3.55.35 pm

Possible Answers:

Business A- 

Business B- 

Business B- 

Business A- 

Correct answer:

Business A- 

Explanation:

This is a two part problem. First, we need to find out which business made the most profit during the week. To do this, we simply add up the profits from each day:

Business A:

Business B:

Business A made the most profit, so the answer choices that said Business B made the most profit can be eliminated. 

To solve for the mean, we can take our added profits and divide them by the number of addends, which is :

Business A:

Business B:

Example Question #36 : Statistics & Probability

Two businesses monitored their profits for a week. Which business made the most profit, and what was the average profit per day of that business? 


Screen shot 2016 03 01 at 4.02.21 pm

Possible Answers:

Business B- 

Business A- 

Business A- 

Business B- 

Correct answer:

Business B- 

Explanation:

This is a two part problem. First, we need to find out which business made the most profit during the week. To do this, we simply add up the profits from each day:

Business A:

Business B:

Business B made the most profit, so the answer choices that said Business A made the most profit can be eliminated. 

To solve for the mean, we can take our added profits and divide them by the number of addends, which is :

Business A:

Business B:

Example Question #1 : Use Measure Of Center And Measure Of Variability To Compare Populations: Ccss.Math.Content.7.Sp.B.4

Two businesses monitored their profits for a week. Which business made the most profit, and what was the average profit per day of that business? 


Screen shot 2016 03 01 at 4.07.13 pm

Possible Answers:

Business A- 

Business A- 

Business B-

Business B- 

Correct answer:

Business B-

Explanation:

This is a two part problem. First, we need to find out which business made the most profit during the week. To do this, we simply add up the profits from each day:

Business A:

Business B:

Business B made the most profit, so the answer choices that said Business A made the most profit can be eliminated. 

To solve for the mean, we can take our added profits and divide them by the number of addends, which is :

Business A:

Business B:

Example Question #3 : Use Measure Of Center And Measure Of Variability To Compare Populations: Ccss.Math.Content.7.Sp.B.4

A teacher is comparing two students' median test scores, as show in the dot plots below. Which student had a higher median score, and what was this student's median score? 


1

2

Possible Answers:

Student A- 

Student B- 

Student B- 

Student A- 

Correct answer:

Student A- 

Explanation:

The median is the middle number of a set of data points. 

To solve for the median, we list our data points in order from least to greatest, and then find the number in the middle. 

Student A:

Student B:

Student A has the higher median score, 

Example Question #39 : Statistics & Probability

A teacher is comparing two students' median test scores, as show in the dot plots below. Which student had a higher median score, and what was this student's median score? 


1

2

Possible Answers:

Student A- 

Student B- 

Student A- 

Student B- 

Correct answer:

Student A- 

Explanation:

The median is the middle number of a set of data points. 

To solve for the median, we list our data points in order from least to greatest, and then find the number in the middle. 

Student A:

Student B:

Student A has the higher median score, 

Example Question #3 : Use Measure Of Center And Measure Of Variability To Compare Populations: Ccss.Math.Content.7.Sp.B.4

A teacher is comparing two students' median test scores, as show in the dot plots below. Which student had a higher median score, and what was this student's median score? 


1


2

Possible Answers:

Student A- 

Student A- 

Student B- 

Student B- 

Correct answer:

Student A- 

Explanation:

The median is the middle number of a set of data points. 

To solve for the median, we list our data points in order from least to greatest, and then find the number in the middle. 

Student A:

Student B:

Student A has the higher median score, 

Example Question #42 : Statistics & Probability

A teacher is comparing two students' median test scores, as show in the dot plots below. Which student had a higher median score, and what was this student's median score? 


1

2

Possible Answers:

Student A- 

Student B- 

Student B- 

Student A- 

Correct answer:

Student B- 

Explanation:

The median is the middle number of a set of data points. 

To solve for the median, we list our data points in order from least to greatest, and then find the number in the middle. 

Student A:

Student B:

Student B has the higher median score, 

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