Question: Using 3,000 observations, the following histogram summarizes Variable X. a. Is the distribution symmetric? If not, is it positively or negatively skewed? b. What proportion

Using 3,000 observations, the following histogram summarizes Variable X.


Relative Frequency 0.5 0.4 0.3 0.2 0.1- 0.43 0.43 0.10 0.03 0-


a. Is the distribution symmetric? If not, is it positively or negatively skewed? 


b. What proportion of the observations are less than or equal to 20? 


c. How many of the observations are greater than 20?

Relative Frequency 0.5 0.4 0.3 0.2 0.1- 0.43 0.43 0.10 0.03 0- 12 < x 16 16 < x < 20 20 < x24 24 < x < 28 Variable X

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