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.
Best Answer: Soreness in your temples, a tightening band-like sensation around your head, a pulling feeling, pressure sensations, and contracting head and neck muscles. Your symptoms can also include a tightness in your neck (as if your head and neck were in a cast); only certain positions seem to provide relief.The headache surfaces in your forehead, temples or the back of your head and neck.our symptoms can also include a tightness in your neck (as if your head and neck were in a cast); only certain positions seem to provide relief. The headache surfaces in your forehead, temples or the back of your head and neck.