SESSION:2 Descriptive Statistics
Solutions
Session:2 Descriptive Statistics Solutions Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics 1. Figure 2.26 3. Figure 2.27 5. Figure 2.28 7. Figure 2.29 9. 65 11. The relative frequency shows the proportion of data points that have each value. The frequency tells […]
SESSION:2 Descriptive Statistics
References
Session:2 Descriptive Statistics References Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics 2.1 Display Data Burbary, Ken. Facebook Demographics Revisited – 2001 Statistics, 2011. Available online at http://www.kenburbary.com/2011/03/facebook-demographics-revisited-2011-statistics-2/ (accessed August 21, 2013). “9th Annual AP Report to the Nation.” CollegeBoard, […]
SESSION:2 Descriptive Statistics
Bringing It Together: Homework
Session:2 Descriptive Statistics Bringing It Together: Homework Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics 119. Javier and Ercilia are supervisors at a shopping mall. Each was given the task of estimating the mean distance that shoppers […]
SESSION:2 Descriptive Statistics
Homework
Session:2 Descriptive Statistics Homework Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics 2.1 Display Data 84. Table 2.63 contains the 2010 obesity rates in U.S. states and Washington, DC. State Percent (%) State Percent (%) State Percent (%) Alabama […]
SESSION:2 Descriptive Statistics
Practice
Session:2 Descriptive Statistics Practice Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics 2.1 Display Data For the next three exercises, use the data to construct a line graph. 1. In a survey, 40 people were asked how many […]
SESSION:2 Descriptive Statistics
Formula Review
Session:2 Descriptive Statistics Formula Review Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics 2.2 Measures of the Location of the Data i=(k100)(n+1) �=(�100)(�+1) where i = the ranking or position of a data value, k = the kth percentile, n = total […]
SESSION:2 Descriptive Statistics
Chapter Review
Session:2 Descriptive Statistics Chapter Review Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics 2.1 Display Data A stem-and-leaf plot is a way to plot data and look at the distribution. In a stem-and-leaf plot, all data values within a class […]
SESSION:2 Descriptive Statistics
Key Terms
Session:2 Descriptive Statistics Key Terms Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics Frequency the number of times a value of the data occurs Frequency Table a data representation in which grouped data is displayed along with […]
SESSION:2 Descriptive Statistics
2.7 Measures of the Spread of the Data
Session:2 Descriptive Statistics 2.7 Measures of the Spread of the Data Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics An important characteristic of any set of data is the variation in the data. In some data sets, […]
SESSION:2 Descriptive Statistics
2.6 Skewness and the Mean, Median, and Mode
Session:2 Descriptive Statistics 2.6 Skewness and the Mean, Median, and Mode Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics Consider the following data set. 4; 5; 6; 6; 6; 7; 7; 7; 7; 7; 7; 8; 8; […]