Concept explainers
The following data is to be displayed in box-and whisker plot.
Answer to Problem 6PT
The box-and whisker plot is drawn as:
Explanation of Solution
Given:
Concept Used:
The given set of data dividing into the four equal parts is known as quartile. the division of the set of data is to be arranged in the quartile form only after arrangement in the ascending order.
The upper and lower quartile is referred to as lower and highest quartile.
Calculation:
Arrange the given from least to highest:
Now, calculate median of the above numbers system:
It is even number system so take the mean of middle two numbers as median:
Now, find the lower quartile by using the median of the lower set of data
Now, find the upper quartile by using the median of the upper set of data
Conclusion:
Hence, box-and whisker plot is drawn as above.
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