As you increase the number of observations in a sample from 50 to 500, you are most likely to

a. leave the mean and standard deviation approximately unchanged.
b. increase the variability as the sample size increases.
c. decrease the variability as the sample size increases.
d. make the shape of the distribution more skewed.

A

Psychology

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All of the following are examples of nervous habits except:

a. nail biting b. cracking knuckles c. stuttering d. jingling money in a pocket

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