Algebra 1 : Algebra 1

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #1581 : Algebra 1

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

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:

Example Question #1582 : Algebra 1

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

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:

Example Question #1583 : Algebra 1

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

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:

Example Question #159 : Statistics And Probability

Find the median of the following dataset:  

Possible Answers:

Correct answer:

Explanation:

Arrange the dataset from least to greatest.

Since there are four numbers, the median is the average of the center two numbers.

Average the two numbers.

The answer is:  

Example Question #160 : Statistics And Probability

Find the mean of the dataset:  

Possible Answers:

Correct answer:

Explanation:

To find the mean, add all the numbers and divide by the total amount of numbers existent in the dataset.  There are a total of three numbers.

Simplify the expression.

The mean of the dataset is:  

Example Question #161 : Statistics And Probability

Find the mean of the following data set:

10, 9, 11, 10, 8, 4, 10, 7, 8, 3

Possible Answers:

Correct answer:

Explanation:

To find the mean of a data set, we use the following formula:

So, given the data set

10, 9, 11, 10, 8, 4, 10, 7, 8, 3

we substitute into the formula.  We get

Example Question #1584 : Algebra 1

Find the mean of the following numbers:  

Possible Answers:

Correct answer:

Explanation:

The mean is the average of the numbers in the dataset.

Add all the numbers.

Divide this number by the total numbers in the dataset.  There are four numbers.

The mean is 5.

Example Question #163 : How To Find Mean

Find the mean of the following data set:

13, 4, 6, 3, 9, 3, 11, 11, 3

Possible Answers:

Correct answer:

Explanation:

To find the mean of a data set, you add all the numbers together then divide by the amount of numbers in the set.  In other words, given the set

13, 4, 6, 3, 9, 3, 11, 11, 3

we find the mean by

We divide by 9 because there are 9 numbers in the data set.  Now,

Therefore, the mean of the data set is 7.

 

Example Question #1585 : Algebra 1

Find the mean of the following dataset:

Possible Answers:

Correct answer:

Explanation:

The mean is the average of all the numbers of the dataset.

Add all the numbers.

Divide the number by the total amount of numbers in the dataset.

The answer is: 

Example Question #165 : How To Find Mean

Find the mean of the following data set:

15, 9, 11, 14, 12, 11, 13, 11, 12

Possible Answers:

Correct answer:

Explanation:

To find the mean of a data set, we use the following formula:

 

Given the data set, we know

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