By Mark L. Berenson, David M. Levine, Timothy C. Krehbiel
Berenson indicates readers how facts is utilized in each one sensible region of business.
easy company information indicates the relevance of information by way of familiarizing readers with the statistical purposes utilized in the company international, offering transparent directions for utilizing statistical purposes, and providing considerable possibilities for practice.
The 12th variation has equipped at the software emphasis and offers superior assurance of statistics.
Read Online or Download Basic Business Statistics: Concepts and Applications (12th Edition) PDF
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Additional resources for Basic Business Statistics: Concepts and Applications (12th Edition)
1 illustrates the process. Note that the “answers” to the questions are labeled responses. The word responses is sometimes used in statistics to refer to the values of a variable. TA B L E 1 . 1 Question Responses Data Type Types of Variables Do you currently have a profile on Facebook? ❑ Yes ❑ No Categorical How many text messages have you sent in the past week? ____ Numerical (discrete) How long did it take to download a video game? ____ seconds Numerical (continuous) Measurement Scales The values for variables can themselves be classified by the level of measurement, or measurement scale.
First, note that there are no scales for the symbols used, so it is impossible to know what the actual sales volumes are. 8, charts that incorporate symbols in this way are considered examples of chartjunk and would never be used by people seeking to properly use graphs. This important point aside, another question that arises is whether the sales data represent the number of units sold or something else. The use of the symbols creates the impression that unit sales data are being presented. If the data are unit sales, does such data best support the claim being made, or would something else, such as dollar volumes, be a better indicator of sales at the retailer?
If the variable is numerical, determine whether the variable is discrete or continuous. In addition, determine the measurement scale for each variable. a. Amount of money spent on clothing in the past month b. Favorite department store c. Most likely time period during which shopping for clothing takes place (weekday, weeknight, or weekend) d. 8 Suppose the following information is collected from Robert Keeler on his application for a home mortgage loan at the Metro County Savings and Loan Association.