For any approximately normal distribution, how can we find the relative frequency of the scores?

a. Convert the raw scores to z-scores and then use the standard normal curve.
b. Draw a graph of the raw scores and approximate the area under the curve.
c. Convert the raw scores to z-scores and then use the standard error of the mean.
d. Draw a graph of the raw scores and then use the standard error of the mean.


a

Psychology

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A procedure that involves ultrasound stimulation to the brain has been shown to clear plaques in a mouse model of Alzheimer's by ______.

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During an ultrasound, you notice that your fetus is using her right hand to suck her thumb. The sonographer tells you that this is common and that __________ of fetuses use the right hand when sucking a thumb.

A. 30% B. 50% C. 70% D. 90%

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