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Concept explainers
To calculate : the mean absolute deviation of the given data to the nearest tenth.
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Answer to Problem 20PPS
The mean absolute deviation of the given data is
Explanation of Solution
Given information :
Consider the information given in the question:
The amount charged per hour by Samantha’s friends for babysitting :
Formula used :
Step1: Find the mean,
Step2: Find the sum of the absolute values of the difference between each value in the set of data and the mean.
Step3: divide the sum by the number of values in the set of data.
Calculation :
As per problem,
The data set:
The number of values in the data set
Step1: To find the mean, add the values in the data and then divide by the number of values in the data set.
Step2: To find the sum of the absolute values, add the difference between each value and the mean.
The sum of absolute values
Step 3: Divide the sum by the number of values
Chapter 12 Solutions
Algebra 1
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