statistic homework help

(2 points) Which of the following are true about all normal distributions? Check all that apply

• A. They have one large tail. • B. They are bimodal. • C. They have no major outliers. • D. They are categorically sharp.

The z-score corresponding to an observed value of a variable tells you the number of standard deviations that the observation is from the mean

• A. True • B. False

A positive z-score indicates that the observation is • A. above the mean • B. below the mean

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