Concept explainers
The mean, mode and median of shoes sizes
Answer to Problem 2PT
The shoes size system
Mean:
Median:
Mode:
Explanation of Solution
Given:
Shoe sizes:
Concept Used:
Mean is given by the following expression:
Where,
Sum of data point:
Number of data point:
Median:
To find the median of the data points, the arrangement of numbers from the least to greatest has to be used.
For the even number of system, the mean of middle two numbers has to calculated which nothing but a median of even data
In case of odd numbers system take middle one number which is the median of system.
Mode:
The number which occurs most of times in the system is known as the mode.
Calculation:
Mean of the given shoes size systemis calculated as:
Median of givenshoes size system is calculated as:
Take the given numbers from the least to greatest:
Here is an odd number of system, so take the middle one number which nothing but a median of odd data.
So, the median of the odd number system is
Mode of given shoes size system is calculated as:
In the given number system, the number
So, the numbers
Conclusion:
Hence,the results of given shoes size system are as:
Mean:
Median:
Mode:
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