If no correlation exists between the variables, the points appear randomly scattered on the coordinate plane. If a large correlation exists, the points concentrate near a straight line. Scatter plots are useful data visualization tools for illustrating a trend. If the vertical (or y-axis) variable increases as the horizontal (or x-axis) variable increases, the correlation is positive.
Whiplash Whiplash, a severe neck injury, can cause stiffness and pain in the neck, headache, dizziness, and more. Aortic stenosis Aortic stenosis is a condition of the heart causing shortness of breath, dizziness, or chest pain.
10 Common Causes Of Headaches With Neck Pain And Ear Pain. Many times when experiencing headaches With Neck Pain And Ear Pain, the reasons as to why it occurs are many. However with there being many diseases that come with headaches that can be considered critical, there are a few mild ones.