1.54 Management of a British firm recognize that statistics is useful for business decisions, but do not think it is important to have an in-depth knowledge of it.

The firm decides to conduct a survey to determine how usefule statistics are for its business activities. A random sample of managers of levels 1, 2, and 3 are selected from small, medium, and large firms and their use of statistical methods (in percentages) are recorded in the following table:

Management Level Small Firms Medium Firms Large Firms 1 and 2 18 14 7 3 14 42 23 Construct a cluster bar chart of these findings.