993円 The amount of income spent on housing is an important component of the cost of living. The total costs of housing for homeowners might include mortgage payments, property taxes, and utility costs (water, heat, electricity). An economist selected a sample of 20 homeowners in New England and then ...

7,900円 This book covers applied statistics for the social sciences with upper-level undergraduate students in mind. The chapters are based on lecture notes from an introductory statistics course the author has taught for a number of years. The book integrates statistics into the research process, with e...

0円 La Asociación Mexicana de Internet (AMIPCI) presenta su 8vo estudio sobre los hábitos de los internautas en México. Para ello se actualizaron los principales indicadores que se han presentado en estudios pasados, como los universos, el perfil y los principales hábitos de los internautas de nuestr...

12,767円 Offering a detailed introduction to the practice of data analysis, this book is both user-friendly and theoretically grounded. Drawing on his extensive experience of qualitative research, Douglas Ezzy reviews approaches to data analysis in established research traditions including ethnography, ph...

24,077円 This book combines geostatistics and global mapping systems to present an up-to-the-minute study of environmental data. Featuring numerous case studies, the reference covers model dependent (geostatistics) and data driven (machine learning algorithms) analysis techniques such as risk mapping, con...

1,088円 According to super pollster John Zogby, whom The Washington Post calls “the maverick predictor,” the conventional wisdom about the United States–that we’re isolated from the world, politically fragmented, and inclined toward material pleasure–isn’t just flawed; it may be 180 degrees from the trut...

993円 A market research firm wants to estimate the level of recognition of a particular consumer product within a range of +/-3% with 95% confidence.  How many individuals will it need to sample to achieve this level of accuracy and confidence?

993円 "A sample of 10 urgent and non-urgent patients was conducted to determine average wait time. The hospital wants to be sure that urgent patients do not wait as long as non-urgent patients. The following hypotheses have been formulated: H0: the waiting times of urgent patient are equal to or greate...

993円 "1. Calculate Mean and Median time spent working on QM 2. Calculate the Variance and Standard Deviation of time spent working on QM 3. Calculate the 25th and 75th percentile of time spent working on QM 4. Calculate the Coefficient of Skewness and the Coefficient of Variation for time spent ...

993円 "1. Calculate separate confidence intervals for the numbers of days absent for Clinic A and Clinic B, respectively. 2. The Health Authority is worried that if the mean days absent in either clinic reach 20 days, it will have difficulties safely operating the clinics. Conduct separate hypothesis t...

993円 "A consulting firm submitted a bid for a large research project. The firm’s management initially felt they had a 50/50 chance of getting the project. However, the agency to which the bid was submitted subsequently requested additional information on the bid. Past experience indicates that f...

993円 "A sample of ten ER patients was conducted to determine their average wait time and to compare this to the target wait time.  The hospital wants to make sure that patients do not wait more than 35 minutes.  Test the following hypotheses using a 95% confidence level. HO:  wait...