The following chart presents a visual summary of a study’s data.

a. What is this chart called?b. How many observations are in the study?c. What are the minimum, maximum, and range of the data?d. How would you describe the shape of the distribution: bell shaped, negatively skewed, or positively skewed?e. Visually, estimate the central location of the distribution.f. Find the mode of the distribution. Why is this value the mode?g. Find the median of the distribution. Why is this value the median?h. Using the weighted mean, calculate the mean. Hint: Use the frequencies as the weights.i. How do the values of the mode, median, and mean compare?

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