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Algebra 1 : Algebra 1

Study concepts, example questions & explanations for Algebra 1

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10 Diagnostic Tests 557 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #136 : Statistics And Probability

A class of kindergarteners go to an apple orchard for a field trip. The students are allowed to pick apples. The following is a list of how many apples each student picked.

5,7,2,1,4,5,8,3,2,1,1,5,6,4,2,2,4

What is the average number of apples picked?

Possible Answers:

Correct answer:

Explanation:

The problem is asking us to solve for the average number of apples picked. This is another term for mean. In order to find the mean, we need to add up all of the numbers and divide by the number of numbers given.

5,7,2,1,4,5,8,3,2,1,1,5,6,4,2,2,4

5+7+2+1+4+5+8+3+2+1+1+5+6+4+2+2+4=62

When we count the number of students accounted for, we can see there are 17. Therfore, we must divide 62 by 17 to achieve our final answer.

$\frac{62}{17}=3.6 \approx{\color{Blue} 4}$

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Example Question #137 : Statistics And Probability

A group of students recorded data on the amount of rainfall that occurred in their town daily. They recorded the data in inches.

2,2.8,3.7,4,6.5,4.3,1.7,5

What was the average amount of rainfall?

Possible Answers:

2.5

4.3

3.25

3.75

Correct answer:

3.75

Explanation:

The problem is asking us to solve for the average amount of rainfall. This is another term for mean. In order to find the mean, we need to add up all of the numbers and divide by the number of numbers given.

2,2.8,3.7,4,6.5,4.3,1.7,5

2+2.8+3.7+4+6.5+4.3+1.7+5=30

When we count the number of days the students recorded rainfall, we can see there are 8. Therfore, we must divide 30 by 8 to achieve our final answer.

$\frac{30}{8}={\color{Blue} 3.75}$

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Example Question #132 : How To Find Mean

Find the mean of the following dataset: [5,10,15,25]

Possible Answers:

$\frac{51}{4}$

$\frac{55}{4}$

Correct answer:

$\frac{55}{4}$

Explanation:

To find the mean, add all the numbers in the data set and divide by the total amount of numbers given.

Add all the numbers.

5+10+15+25=55

Divide this number by four.

The answer is: $\frac{55}{4}$

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Example Question #133 : How To Find Mean

Find the mean of the following dataset: [5,10,15,25]

Possible Answers:

$\frac{55}{4}$

$\frac{51}{4}$

Correct answer:

$\frac{55}{4}$

Explanation:

To find the mean, add all the numbers in the data set and divide by the total amount of numbers given.

Add all the numbers.

5+10+15+25=55

Divide this number by four.

The answer is: $\frac{55}{4}$

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Example Question #134 : How To Find Mean

Find the mean of the following set of numbers:

2, 3, 4, 7, 8, 12

Possible Answers:

Correct answer:

Explanation:

To calculate the mean of any set of numbers, add each of the numbers together, then divide the sum by .

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Example Question #1561 : Algebra 1

Find the mean of the following set of numbers (round to the nearest tenth):

5, 6, 7, 8, 9, 10, 22

Possible Answers:

9.6

11.2

10.2

9.4

9.7

Correct answer:

9.6

Explanation:

To calculate the mean of any set of n numbers, add each of the numbers together, then divide the sum by n.

The best answer is:

9.6

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Example Question #1562 : Algebra 1

Find the mean of the following set of numbers (round to the nearest tenth):

12, 22, 24, 38, 40, 54

Possible Answers:

31.7

30.7

31.6

30.6

Correct answer:

31.7

Explanation:

To calculate the mean of any set of n numbers, add each of the numbers together, then divide the sum by n.

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Example Question #1563 : Algebra 1

Find the mean of the following set of numbers (round to the nearest tenth):

10, 20, 30, 40, 50

Possible Answers:

Correct answer:

Explanation:

To calculate the mean of any set of n numbers, add each of the numbers together, then divide the sum by n.

The best answer is:

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Example Question #1564 : Algebra 1

Find the mean: [6,9,60]

Possible Answers:

Correct answer:

Explanation:

The mean is the average of the dataset.

Add the three numbers and divide by the total amount of numbers.

$\frac{6+9+60 }{3}= \frac{75}{3} = 25$

The answer is .

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Example Question #1565 : Algebra 1

Find the mean of the following dataset: [2,9,11,36,4]

Possible Answers:

$\textup{There is no mean.}$

$\frac{72}{5}$

$\frac{62}{5}$

Correct answer:

$\frac{62}{5}$

Explanation:

The mean is the average of all the numbers in the set of data.

Add all the numbers.

2+9+11+36+4 = 62

Divide this number by the total numbers in the dataset.

The answer is: $\frac{62}{5}$

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Algebra 1 : Algebra 1

Study concepts, example questions & explanations for Algebra 1

All Algebra 1 Resources

Example Questions

Example Question #136 : Statistics And Probability

Example Question #137 : Statistics And Probability

Example Question #132 : How To Find Mean

Example Question #133 : How To Find Mean

Example Question #134 : How To Find Mean

Example Question #1561 : Algebra 1

Example Question #1562 : Algebra 1

Example Question #1563 : Algebra 1

Example Question #1564 : Algebra 1

Example Question #1565 : Algebra 1

All Algebra 1 Resources

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