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To compare the effect of weather on sales of soft drinks, a distributor surveyed people in two regions of the country and asked if they purchased soft drinks in the last month. The following are the results. The distributor would like to know if there is a difference in sales between the two regions. What is the pooled estimate of the population proportion?
Gyrus
A ridge on the surface of the brain, characterized by its folds; the plural form is gyri, and these structures increase the brain's surface area and cognitive ability.
Visual Reflexes
Involuntary responses to visual stimuli, such as blinking or pupil contraction.
Midbrain
A part of the brainstem involved in vision, hearing, motor control, sleep/wake, arousal (alertness), and temperature regulation.
Pons
A part of the brain located in the brainstem, connecting the medulla oblongata and the thalamus, playing a key role in controlling breathing, communication between different parts of the brain, and sensations such as hearing, taste, and balance.
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