By Alan Anderson

ISBN-10: 1118784499

ISBN-13: 9781118784495

Ranking larger on your enterprise records direction? Easy.

Business facts is a standard path for enterprise majors and MBA applicants. It examines universal info units and the correct strategy to use such details while undertaking study and generating informational stories corresponding to revenue and loss statements, buyer delight surveys, and peer comparisons.

Business facts For Dummies tracks to a regular enterprise data direction provided on the undergraduate and graduate degrees and offers transparent, useful motives of commercial statistical rules, innovations, formulation, and calculations, with plenty of examples that indicates you the way those ideas follow to the area of worldwide company and economics.

exhibits you the way to take advantage of statistical info to get an educated and independent photo of the market
Serves as a great complement to school room learning
is helping you rating your optimum on your company data course

If you're learning company on the collage point or you're a qualified trying to find a table reference in this advanced subject, company data For Dummies has you coated.

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The median and mode are mainly used in situations where the mean is likely to give misleading results. This can happen if the data set contains any extremely large or small values, known as outliers. An outlier is a value that’s significantly different from the other elements in a data set. Outliers may have a dramatic impact on the accuracy of your calculations. 40 Part I: Getting Started with Business Statistics The median is the middle value of a data set (just like a median divides a highway into two equal halves).

56. 25. 25 is intuitively easier to follow (since prices can’t be expressed in quarters of a cent). When you construct a frequency distribution, remember these key points: ✓ The classes must not overlap. 00. 00. ✓ The classes must cover all elements in the data set being analyzed. ✓ Ideally, the classes should have equal widths; otherwise, analyzing the results is much more difficult. 15. These numbers are more difficult to grasp intuitively. 2325 isn’t a round number. Observing relative frequency distributions A frequency distribution shows the number of elements in a data set that belong to each class.

A linear relationship takes this form: Y is the dependent variable, X is the independent variable, m is the slope, and b is the intercept. The slope tells you how much Y changes due to a specific change in X; the intercept tells you what the value of Y would be if X had a value of zero. The goal of regression analysis is to find a line that best fits or explains the data. The population regression line is written as follows: Yi = β0 + β1Xi + εi In this equation, Yi is the dependent variable, Xi is the independent variable, β0 is the intercept, β1 is the slope, and εi is an error term.

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Business Statistics For Dummies by Alan Anderson

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