For the following observations, a scatter diagram is plotted. What kind of relationship (if any) does it exist between x and y?  

Essay Question:  4(b). Use the empirical rule to state the percentage of annual sales between 1255 and 9181 (millions of dollars). 

Essay Question: 2(a). Compute row percentages of the above table.

Essay Question: 3(e). Compute the coefficient of variation.

In a questionnaire, respondents are asked to mark their gender as male or Gender is an example of the

Essay Question: 1.d. Please indicate categorical or quantitative variables of each of the following three variables: Sales per employee is ; Sales rank is ; Number of employees is .

Essay Question: 3(d). Based on your answer in part 3(c), compute the standard deviation for the yearly salary.

Essay Question:  3(a). Compute the range for baseball coaches’ yearly salaries. 

Refer to Exhibit 1. If one develops a cumulative percent frequency distribution for the above data, the last class “80-99” will be

Essay Question: 4(a). Comment on the shape of the distribution.  The shape of the distribution is .