Solutions for Basic Business Statistics
Problem 1PS:
A categorical variable has three categories, with the following frequencies of occurrence: a....Problem 2PS:
The following data represent the responses to two question asked in a survey of 40 college students...Problem 3PS:
The following table, stored in Smartphones Sales, represents the annual market share of smartphones,...Problem 4PS:
The Consumer Financial Protection Bureau reports on consumer financial product and service complaint...Problem 5PS:
In addition to the impact of Big Data, what disruptive technology capability do executives...Problem 6PS:
This table represents the summer power-generating capacity by energy source in the United States as...Problem 7PS:
Timetric’s 2016 survey of insurance professionals explores the use of technology in the industry....Problem 8PS:
A survey of 1,520 Americans adults asked “Do you feel overloaded with tea much information?� The...Problem 9PS:
A study of selected Kickstarter projects showed that overall a majority were successful, achieving...Problem 10PS:
Do special recommendations increase ad effectiveness? A study of online video viewers compared...Problem 11PS:
Construct an ordered array, given the following data from a sample of midterm exam scores in...Problem 12PS:
Construct an ordered array, given the following data from a sample of midterm exam scores in...Problem 13PS:
Planning and preparing for the unexpected, especially in response to a security incident, is one the...Problem 14PS:
Data was collected on salaries of compliance specialists in corporate accounting firms. The salaries...Problem 15PS:
The file NBACost contains the total cost ($ ) for four tickets purchased on the secondary market,...Problem 16PS:
The file Utility contains the following data about the cost of electricity (in $) during July 2017...Problem 17PS:
How much time do commuters living in or near cities spend commuting to work each week? The file...Problem 18PS:
How do the average credit scores of people living in different American cities differ? The data in...Problem 19PS:
One operation of a mill is to cut pieces of steel into parts that will later be used as the frame...Problem 20PS:
Call centers today play an important role in managing day-to-day business communications with...Problem 21PS:
The financial service call centre in problem 2.20 also monitors call duration, the amount of time...Problem 22PS:
The file Bulbs contains the life (in hours) of a sample of forty 6-watt light emitting diode (LED)...Problem 23PS:
The file Drink Contains the following data for the amount of soft drink (in liters) in a sample of...Problem 24PS:
A survey of online shoppers revealed that in 2015 they bought more of their purchases online than in...Problem 25PS:
How do college students spend their day? The 2016 American Time Use Survey for college students...Problem 26PS:
The Energy Information Administration reported the following sources of electricity in the United...Problem 27PS:
The Consumer Financial Protection Bureau reports on consumer financial product and service complaint...Problem 28PS:
The following table indicates the percentage of residential electricity consumption in United...Problem 29PS:
Timetric’s 2016 survey of insurance professionals explores the use of technology in the industry....Problem 30PS:
A survey of 1,520 American adults asked “Do you feel overloaded with too much information? The...Problem 31PS:
A study of selected Kickstarter projects showed that overall a majority were successful, achieving...Problem 32PS:
Do special recommendations increase ad effectiveness? A study of online video viewers compared...Problem 33PS:
Construct a stern-and-leaf display, given the following data from a sample of midterm exam score in...Problem 34PS:
Construct an ordered array, given the following stern-and-leaf display from a sample n=7 midterm...Problem 35PS:
The following is a stern-and0-leaf display representing the amount of gasoline purchase, in gallons...Problem 36PS:
The file NBACost contains the total cost in$ for four tickets purchased on the secondary market, two...Problem 37PS:
The file MobileSpeed contains the overall download and upload speeds in mbps for nine carriers in...Problem 38PS:
The file Utility contains the following data about the cost of electricity during July of a recent...Problem 39PS:
As player salaries have increases, the cost of attending baseball games has increased dramatically....Problem 40PS:
The following histogram and cumulative percentage polygon visualize the data about the property...Problem 41PS:
How much time do Americans living in cities spend commuting to work each week? The data in the file...Problem 42PS:
How do the average credit scores of people living in various cities differ? The file Credit Scores...Problem 43PS:
One operation of a mill is to cut pieces of steel into parts that will later be used as the frame...Problem 44PS:
Call centers today play an important role in managing day-to-day business communications with...Problem 45PS:
The financial service call center in problem 2.44 also monitors call duration, which is the amount...Problem 46PS:
The file Bulbs contains the life (in hours) of a sample of forty 6-wait light emitting diode (LED)...Problem 47PS:
The data stored in Drink represents the amount of soft drink in a sample of fifty 2-liter bottles....Problem 48PS:
The following is a set of data from a sample of n=11items: a. Construct a scatter plot. b. Is there...Problem 49PS:
The following is a series of annual sales in$millions over an 11-year period (2007to2017): a....Problem 50PS:
Movie companies need to predict the gross receipts of individual movies once a movie has debuted....Problem 51PS:
Data were collected on the typical cost of dining at American cuisine restaurants within a 1- mile...Problem 52PS:
The file Mobile contains the overall download and upload speeds in mbps for nine carriers in the...Problem 53PS:
A Pew Research Center survey found a noticeable rise in smartphone ownership and internet usage in...Problem 54PS:
How have stocks performed in the past? The following table presents the data stored in Stock...Problem 55PS:
The file NewHomeSales contains the number of new homes sold (in thousands) and the median sales...Problem 56PS:
The file Movie Attendance 16 contains the yearly movie attendance (in billions) from 2001 through...Problem 57PS:
The Super Bowl is a big viewing event watched by close to 200 million Americans that is also a big...Problem 58PS:
Using the sample of retirement funds stored in Retirement Funds: a. Construct a table that tallies...Problem 59PS:
Using the sample of retirement funds stored in Retirement Funds: a. Construct a table that tallies,...Problem 61PS:
Using the sample of retirement funds stored in Retirement Funds:
a. Construct a table that tallies...Problem 63PS:
Using the sample of retirement funds stored in Retirement Funds. a. Construct a chart that...Problem 65PS:
Using the sample of retirement funds stored in Retirement Funds: a. Construct one chart that...Problem 73PS:
Examine the following visualization, adapted from a management consulting while paper. When manages...Problem 78PS:
Why would you construct a summary table?Problem 79PS:
What are the advantages and disadvantage of using a bar chart, a pie chart, a doughnut chart, and a...Problem 80PS:
Compare and contrast the bar chart for categorical data with the histogram for numerical data.Problem 82PS:
Why is it said that the main feature of a Pareto chart is its ability to separate the “Vital...Problem 83PS:
What are the three different ways to break down the percentages in a contingency table?Problem 85PS:
What type of insights can you gain from a contingency table that contains three variables that you...Problem 88PS:
The following table shown in the TextbookCosts shows the breakdown of the codes of a typical college...Problem 89PS:
The following table represents the market share (in number, gross in millions of dollars, and...Problem 90PS:
B2B marketers in North America were surveyed about content marketing usage, organization, and...Problem 91PS:
The owner of a restaurant that services Continental-style entries has the business objective of...Problem 92PS:
Suppose that the owner of the restaurant in problem 2.91 also wants to study the demand for dessert...Problem 93PS:
The following data represents the pounds per capita of fresh food and packaged food consumed in the...Problem 94PS:
The Air Travel Consumer Report, a monthly product of the Department of Transportation’s Office of...Problem 95PS:
One of the major measures of the quality of service provided by an organization is the speed with...Problem 96PS:
The file DomesticBeer Contains the percentage alcohol, number of calories per 12 ounces per 12...Problem 98PS:
The file CDRate contains the yields for one-year certificates of deposit (CDs) and for five-year CDs...Problem 99PS:
The file CEO 2016 includes the total compensation in$millions for CEOs of 200 Sthroughc , what...Problem 101PS:
What was the average price of a room at two-star, three-star, and four-star hotels around the world...Problem 102PS:
The file Protein contains calorie and cholesterol information for popular protein foods (fresh and...Problem 103PS:
The file Natural Gas contains the U.S. monthly average commercial and residential price for natural...Problem 104PS:
The data stored in Drink represent the amount of soft drink in a sample of 50 consecutively filled...Browse All Chapters of This Textbook
Chapter 1 - Defining And Collecting DataChapter 2 - Organizing And Visualizing VariablesChapter 3 - Numerical Descriptive MeasuresChapter 4 - Basic ProbabilityChapter 5 - Discrete Probability DistributionsChapter 6 - The Normal Distribution And Other Continuous DistributionsChapter 7 - Sampling DistributionsChapter 8 - Confidence Interval EstimationChapter 9 - Fundamentals Of Hypothesis Testing: One-sample TestsChapter 10 - Two-sample Tests
Chapter 11 - Analysis Of VarianceChapter 12 - Chi-square And Nonparametric TestsChapter 13 - Simple Linear RegressionChapter 14 - Introduction To Multiple RegressionChapter 15 - Multiple Regression Model BuildingChapter 16 - Time-series ForecastingChapter 17 - Business AnalyticsChapter 18 - Getting Ready To Analyze Data In The Future
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