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RioNii RioNii
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Posts: 280
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2 years ago
Based on the two histograms below, what does it imply about the variable's distribution?  To check for the normality, what other methods can you use besides histograms?



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Educator
2 years ago
Hi RioNii

Any background information you can provide? I don't want to give an answer that is outside your reading material.

Let us know
RioNii Author
wrote...
2 years ago
Yes sir, I'll post the background information sir
wrote...
Educator
2 years ago
You may also visually check normality by plotting a frequency distribution, such as a histogram as we have here. Another way to check for normality, a paired or unpaired T-test can be used to compare the child pain score with the parental catastrophizing score. This can also be done to compare the scores obtained for distraction and emotional support. The first histogram is skewed to the right; the second histogram doesn't look like it is normally distributed. 
Source  https://biology-forums.com/index.php?topic=2034183.0
RioNii Author
wrote...
2 years ago
Thank you so much sir! Can I ask one last question sir? Based on the histogram from the emotional and distraction histograms, are they both normally distributed sir?
wrote...
Educator
2 years ago
Neither are normally distributed.

This is what normally distributed looks like:

https://biology-forums.com/index.php?action=gallery;sa=view;id=42121
RioNii Author
wrote...
2 years ago
Thank you so much sir!
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