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Statistics - BTM8104-Wk2
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Section 2: Data Visually and through Numbers

This section explains the process and purpose of creating graphs and charts that present statistical information in a visual manner. Histograms, bar graphs, boxplots, pie charts, stem and leaf charts, frequency tables, and line charts will be examined. You will also learn and calculate important descriptive statistics such as the measures of central tendency and dispersion, quartiles, and how to identify the shape of distributions. At the end of this section, you should be able to present data visually through the use of charts, graphs and tables, as well as calculate and interpret the mean, median, mode, range, standard deviation, and quartiles for given data. You will also begin to utilize statistical software programs to perform important statistical procedures.


Required Reading:
Statistical Reasoning for Everyday Life: Chapters 3, 4

Chapter 3 PowerPoint.ppt
Chapter 4 PowerPoint.ppt

Assignment 2   Exercises – Graphs and Descriptive Statistics

Statistical Reasoning for Everyday Life: Chapters 3, 4
Chapter Practice Questions
After you complete the textbook readings, check your understanding of the main concepts by reviewing the chapter review questions in the attached PowerPoint files. Be sure to revisit appropriate sections of the textbook if you find that you need more review. While these questions are not a graded part of this activity, they are important because they will help you monitor your learning as you progress through the course.

Upon completion of the readings, you should have a solid understanding of the importance of presenting data visually. You will also begin to understand the value that descriptive statistics have in understanding the world at large.

By the completion of this activity, you should gain proficiency in understanding and applying the following concepts and processes:
- Creating graphs and charts
- Utilizing SPSS or Excel in basic calculations
- Correlating data analysis to everyday life

Application Questions and Problems
Download Data File 2.doc and complete the problems and questions as presented. Show your work (either your hand calculations or your statistical program output). You can either scan your work and submit it as a low-resolution graphic, type your answers directly into the document, or cut and paste your work into a Word file.
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Statistics - BTM8104-Wk2
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  • Submitted On 24 Jan, 2015 09:59:17
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Chapter Three (Show all your work) A teacher asked each of her students how many novels they had read in the previous six months.  The results are shown below.   0          1          5          4          2          1          3          2 2          7          2          5          0          1          0          1 1          2          6          0          2          3          1          2 7          1          4          2          3          1          7          0 0          2          1          1          0          6          1          7   Construct a frequency table for the number of novels read.     Number Frequency 0 7 1 11 2 9 3 3 4 2 5 2 6 2 7 4       The frequency table shows the weights in ounces of 30 stones   Weight (oz)     Number of Stones ...
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