Concept explainers
(a)
To find the mean of the six salaries -
(a)
Answer to Problem 62STP
The Mean of the salaries is
Explanation of Solution
Given: Salaries -
Formula Used:
The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are.
Calculation:
Given: Salaries:
From the above definition of Mean, we have:
Mean of the salaries
Solving further, we have:
Mean of the salaries
Mean of the salaries
Conclusion:
Hence, Mean of the salaries is
(b)
To find the median of the six salaries -
(b)
Answer to Problem 62STP
The median of the salaries is
Explanation of Solution
Given: Salaries -
Formula Used:
To find the median of a group of odd numbers: Arrange the numbers in order by size and then the middle term is the median.
Calculation:
Given: Salaries:
From the above definition of Median, we have:
Arranging the numbers in order by size, we have:
Middle term is
Thus, Median of the salaries
Conclusion:
Hence, Median of the salaries is
(c)
To find the mode of the six salaries -
(c)
Answer to Problem 62STP
The mode of the salaries is
Explanation of Solution
Given: Salaries -
Formula Used:
To find the mode, or modal value, it is best to put the numbers in order. Then count how many of each number. A number that appears most often is the mode.
Calculation:
Given: Salaries:
From the above definition of Mode, we have:
Arranging the numbers in order by size, we have:
Thus, mode of the salaries
Conclusion:
Hence, mode of the salaries is
Chapter 11 Solutions
Algebra 1
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