Exam 2: Charts and Graphs

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a frequency histogram of waiting time for drive up ATM customers. Approximately ____ drive up ATM customers waited at least 7 minutes.

The 2010 and 2012 market share data of the three competitors (Alston,Baren,and Clemson)in an oligopolistic industry are presented in the following pie charts.Total sales for this industry were $1.5 billion in 2010 and $1.8 billion in 2012. Baren's sales in 2010 were ___________.

The staff of Ms.Tamara Hill,VP of Technical Analysis at Blue Sky Brokerage,prepared a frequency histogram of market capitalization of the 937 corporations listed on the American Stock Exchange in January 2013. Approximately ________ corporations had capitalizations of $200,000,000 or less.

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. The percentage of walk-in customers waiting more than 6 minutes was ______.

Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows. The percentage of sales transactions on Saturday that were under $100 each was _____________.

According to the following graphic,"Bent Pins" account for ____% of PCB Failures.

A Pareto chart and a pie chart are both types of qualitative graphs.

Suppose a market survey of 200 consumers was conducted to determine the likelihood of each consumer purchasing a new computer next year.The data were collected based on the age of the Consumer and are shown below: Using the table above,which of the following statements is true?

The United Nations Development Programme website provides comparative data by country on key metrics.Two such metrics are life expectancy and expenditures on health as a percent of GDP.The table below show data on life expectancy and health expenditures in the United States. Which of the following scatterplots best depicts the relationship between life expectancy and Expenditures on health as a percent of GDP?

An instructor has decided to graphically represent the grades on a test.The instructor uses a plus/minus grading system (i.e.she gives grades of A-,B+,etc.).Which of the following would provide the most information for the students?

If the individual class frequency is divided by the total frequency,the result is the median frequency.

Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows. The percentage of sales transactions on Saturday that were at least $100 each was _____________.

According to the following graphic,the most common cause of PCB Failures is a _____________.

For a company in gardening supplies business,the best graphical way to show the percentage of a total budget that is spent on each of a number of different expense categories is the stem and leaf plot.

Dot Plots are mainly used to display a large data set.

One advantage of a stem and leaf plot over a frequency distribution is that the values of the original data are retained.

One rule that must always be followed in constructing frequency distributions is that the adjacent classes must overlap.

A scatter plot is a two-dimensional graph plot of data containing pairs of observations on two numerical variables.

A scatter plot shows how the numbers in a data set are scattered around their average.

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. The percentage of walk-in customers waiting between 1 and 6 minutes was ___.