Linked Questions
10 questions linked to/from Box-and-Whisker Plot for Multimodal Distribution
120
votes
4
answers
39k
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Assessing approximate distribution of data based on a histogram
Suppose I want to see whether my data is exponential based on a histogram (i.e. skewed to the right).
Depending on how I group or bin the data, I can get wildly different histograms.
One set of ...
- 1,201
36
votes
3
answers
4k
views
Datasets constructed for a purpose similar to that of Anscombe's quartet
I've just come across Anscombe's quartet (four datasets that have almost indistinguishable descriptive statistics but look very different when plotted) and I am curious if there are other more or less ...
21
votes
3
answers
106k
views
How to assess skewness from a boxplot?
How to decide skewness by looking at a boxplot built from this data:
340, 300, 520, 340, 320, 290, 260, 330
One book says, "If the lower quartile is farther from the median than the upper quartile, ...
- 313
13
votes
3
answers
10k
views
Will two distributions with identical 5-number summaries always have the same shape?
I know that if I can have two distributions with the same mean and variance be different shapes, because I can have a N(x,s) and a U(x,s)
But what about if their min, Q1, median, Q3, and max are ...
- 295
2
votes
2
answers
9k
views
Figuring out skewness from a boxplot
How do you define the skewness in this case? My understanding is exactly the opposite from what I have read.
What I have read
As the box plot is towards the lower end it is rightly skewed. and it will ...
- 21
1
vote
1
answer
15k
views
Best type of graph to represent data tested with the Mann-Whitney U-test
I am using a Mann-Whitney U test to compare the willingness between subjects to once monthly injection between two groups. One group is a control while the other is the intervention. I am expanding on ...
- 135
22
votes
1
answer
1k
views
Anscombe-like datasets with the same box and whiskers plot (mean/std/median/MAD/min/max)
EDIT: As this question has been inflated, a summary: finding different meaningful and interpretable datasets with the same mixed statistics (mean, median, midrange and their associated dispersions, ...
- 2,287
0
votes
0
answers
539
views
Create a probability distribution using boxplot information
How do you fit/estimate a probability distribution using only the information from boxplot, i.e, max, min, 1st quartile, 3rd quartile and median? I don't have access to raw data but only a boxplot ...
- 101
1
vote
1
answer
499
views
Boxplot with a symmetric box, but with whiskers of different lengths [duplicate]
From Figure 2 of Ferreira et al. (2016) "Graphical representation of chemical periodicity of main elements through boxplot", we can see the taxonomy of some common cases of symmetrical and ...
- 444
0
votes
0
answers
54
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How to determine distribution from Sleep data min/max/mean values in R? [duplicate]
I want to determine the distribution from the EMFIT QS sleep data which gives only min, max and ...
