Exam 2: Charts and Graphs

Pinky Bauer,Chief Financial Officer of Harrison Haulers,Inc.,suspects irregularities in the payroll system and orders an inspection of "each and every payroll voucher issued since January 1,2000." Each payroll voucher was inspected and the following frequency distribution was compiled. The midpoint of the first class interval is _________.

A frequency distribution was developed. The lower endpoint of the first class is 9.30,and the midpoint is 9.35. What is the upper endpoint of this class?

A recent survey of U.S.automobile owners showed the following preferences for exterior automobile colors: What are the top two color preferences for automobiles?

Consider the following stem and leaf plot: Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc.). What would the frequency be for class 30-under 40?

Pinky Bauer,Chief Financial Officer of Harrison Haulers,Inc.,suspects irregularities in the payroll system and orders an inspection of "each and every payroll voucher issued since January 1,2000." Each payroll voucher was inspected and the following frequency distribution was compiled. The relative frequency of the first class interval is _________.

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 2016. Approximately ________% of corporations had capitalization not exceeding $200,000,000.

A cumulative frequency distribution provides a running total of the frequencies in the classes.

A person has decided to construct a frequency distribution for a set of data containing 60 numbers. The lowest number is 23 and the highest number is 68. If 7 classes are used,the class width should be approximately _______.

The following graphic of residential housing data (selling price and size in square feet)is a _____________.

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

Consider the following frequency distribution: What is the midpoint of the first class?

A graphical representation of a frequency distribution is called a pie chart.

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?

Each day,the manager at Jamie's Auto Care Shop prepares a frequency distribution and a histogram of sales transactions by dollar value of the transactions. Friday's histogram follows. On Friday,the approximate number of sales transactions in the 75-under 100 category was _____________.

The customer help center in your company receives calls from customers who need help with some of the customized software solutions your company provides.The staff prepare the following cumulative frequency ogive for waiting times during the last three months.What percentage of customers had waiting times exceeding 6 minutes?

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 one minute or less was _________.

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 total number of walk-in customers included in the study was _________.

Consider the following frequency distribution: What is the midpoint of the first class?

The difference between the highest number and the lowest number in a set of data is called the differential frequency.