The numbers that complete the box are: 1, 5, 8, 11 and 16, in that order.
The dataset is given as: 1,4,4,5,5,7,8,8,10,11,11,11,14,15,16
The number to fill in the box plot are the minimum, lower quartile, median, upper quartile, and the maximum.
The smallest data is 1.
So, we have:
[tex]\mathbf{Minimum= 1}[/tex]
The largest data is 1.
So, we have:
[tex]\mathbf{Maximum= 16}[/tex]
The quartiles of the dataset are calculated as:
[tex]\mathbf{Q_n = n \times \frac{1 + N}{4}}[/tex]
Where N = 15 (the sample size)
So, the lower quartile (Q1) is calculated as:
[tex]\mathbf{Q_1 = 1 \times \frac{1 + 15}{4} = 4th}[/tex]
The 4th data element is 5.
So, the lower quartile is 5
The median (Q2) is calculated as:
[tex]\mathbf{Q_1 = 2 \times \frac{1 + 15}{4} = 8th}[/tex]
The 8th data element is 8.
So, the median is 8
The upper quartile (Q3) is calculated as:
[tex]\mathbf{Q_3 = 3 \times \frac{1 + 15}{4} = 12th}[/tex]
The 12th data element is 11.
So, the upper quartile is 11
So, the numbers that complete the box are: 1, 5, 8, 11 and 16, in that order.
Read more about box plots at:
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