Business Statistics: A First Course (8th Edition)
8th Edition
ISBN: 9780135177785
Author: David M. Levine, Kathryn A. Szabat, David F. Stephan
Publisher: PEARSON
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Chapter 3, Problem 3.12AC
The file MOBILECOMMERCE contains the following mobile commerce penetration values, the percentage of the country population that bought something online via a mobile phone in the past month, for 28 of the world’s economies:
23 27 26 25 40 19 26 36 23 33 23 Il 38 21
26 23 21 33 40 15 55 30 41 31 47 37 33 28
- Calculate the
mean andmedian . - Calculate the variance, standard deviation,
range , coefficient of variation, and Z scores. Are there any Outliers? Explain. - Are the data skewed? If so, how?
- Based on the results of (a) through (c), what conclusions can you reach concerning commerce population penetration?
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Chapter 3 Solutions
Business Statistics: A First Course (8th Edition)
Ch. 3 - The following set of data is from a sample of n =...Ch. 3 - The following set of data is from a sample of n =...Ch. 3 - The set of data is from a sample of n = 7: 12 7 4...Ch. 3 - The following set of data is from a sample of n =...Ch. 3 - Wired, a magazine that delivers a glimpse into the...Ch. 3 - The operations manager of a plant that...Ch. 3 - According to the U.S. Census Bureau (census.gov),...Ch. 3 - The file MOBILESPEEO contains the overall download...Ch. 3 - The file AIRPORTRATING contains the of large and...Ch. 3 - The annual NFL Super Bowl is the most widely...
Ch. 3 - The ACCOUNTINGPARTNERS contains the number of...Ch. 3 - The file MOBILECOMMERCE contains the following...Ch. 3 - Is there a difference in the variation of the...Ch. 3 - Prob. 3.14ACCh. 3 - A bank branch located in a commercial district of...Ch. 3 - Prob. 3.16ACCh. 3 - Using the three-year return percentage variable in...Ch. 3 - Prob. 3.18ACCh. 3 - Using the three-year return percentage variable in...Ch. 3 - Using the three-year return percentage variable in...Ch. 3 - Prob. 3.21LBCh. 3 - The following is a set of data from a sample of n...Ch. 3 - Prob. 3.23LBCh. 3 - Prob. 3.24LBCh. 3 - The file ACCOUNTINGPARTNERS contains the number of...Ch. 3 - Prob. 3.26ACCh. 3 - The file HOTELAWAY contains the average room price...Ch. 3 - Prob. 3.29ACCh. 3 - Prob. 3.30ACCh. 3 - Prob. 3.31LBCh. 3 - The following is a set of data for a population...Ch. 3 - Consider a population of 1.024 mutual funds that...Ch. 3 - The file CIGARETTETAX contains the state cigarette...Ch. 3 - Prob. 3.36ACCh. 3 - The following is a set of data from a sample of n...Ch. 3 - The file CEREALS lists the calories and sugar, in...Ch. 3 - Movie companies need to predict the gross receipts...Ch. 3 - The file MOBILESPEED contains the overall download...Ch. 3 - A Pew Research Center survey found a noticeable...Ch. 3 - Prob. 3.44CYUCh. 3 - Prob. 3.45CYUCh. 3 - What are the differences among the mean, median,...Ch. 3 - Prob. 3.47CYUCh. 3 - Prob. 3.48CYUCh. 3 - Prob. 3.49CYUCh. 3 - Prob. 3.50CYUCh. 3 - Prob. 3.51CYUCh. 3 - Prob. 3.52CYUCh. 3 - Prob. 3.53CYUCh. 3 - Prob. 3.54CYUCh. 3 - Prob. 3.55CYUCh. 3 - How do the covariance and the coefficient of...Ch. 3 - The download and upload speeds of a mobile data...Ch. 3 - An insurance company has the business objective of...Ch. 3 - Prob. 3.59CRPCh. 3 - Prob. 3.60CRPCh. 3 - Prob. 3.61CRPCh. 3 - Prob. 3.62CRPCh. 3 - Prob. 3.63CRPCh. 3 - Prob. 3.64CRPCh. 3 - Prob. 3.65CRPCh. 3 - Prob. 3.66CRPCh. 3 - What was the mean price of a room at two-star,...Ch. 3 - The file PROPERTY TAXES contains the property...Ch. 3 - Prob. 3.69CRPCh. 3 - 311 is Chicagos web and phone portal for...Ch. 3 - How much do commuters living in or near cities...Ch. 3 - How do the mean credit scores of people living in...Ch. 3 - Prob. 3.74RWE
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