Exam 4: Frequency Distributions and Charts

The analysis of information from a large sales team results in a frequency distribution showing the number of appointments with clients each week. One class is 10 to 14 appointments. What is the mid-point of this class?

Estimate the total value for a class with limits 20 to 29 and a frequency of 14

Which of the following is the best description of a histogram?

Why might a cumulative frequency distribution be useful in monitoring the number of apples in each bag of pre-packed fruit?

Why might a Lorenz curve provide a suitable way to compare the distribution of wealth in the UK, US and Japan?

For which of these examples of data would a frequency distribution be most useful?

What term best describes numerical data that have been carefully collected but not yet worked on?

What is the best way to deal with a frequency distribution that has a large number (more than 20) distinct data values?

Which of the following is NOT true of grouped frequency distributions?

Which of the following is NOT an appropriate way to represent a frequency distribution pictorially?