If the Point in the Upper Left Corner of the Scatterplot

question 15

Multiple Choice

If the point in the upper left corner of the scatterplot is removed, what will happen to the Correlation (r) and the slope of the line of best fit (b) ?

• A)r will decrease and b will increase.
• B)r will increase and b will decrease.
• C)Both will decrease.
• D)Both will increase.
• E)They will not change.

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Definitions:

Sleepiness

Sleepiness is the state of feeling drowsy or tired, often leading to a decreased ability to remain awake and alert.

Unpredictable

The quality of being unable to be predicted or foreseen, often leading to uncertainty or surprise.

Suprachiasmatic Nucleus

A region in the brain's hypothalamus responsible for controlling circadian rhythms, which are the body's internal biological clock.

Biological Clock

An internal mechanism that regulates bodily rhythms and cycles, such as the sleep-wake cycle, on a roughly 24-hour schedule.