McGraw Hill - Chapter 6

You should generally avoid using a pie chart if there are more than five data categories.

When there are many categories, a bar chart is a more effective visualization than a pie chart.

What do the bars in a histogram represent?

For quantitative data, what is the recommended chart for identifying outliers?

The gaps in a histogram represent the absence of data in a particular bin.

Confirmatory business analytics includes:

What uses statistics to judge the probability of a future event or outcome occurring?

A dashboard with too many visualizations and key performance measures may impair decision making.

How should a correlation coefficient equal to zero be interpreted?