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Essentials Of Statistics For Business And Economics 8Th Edition Anderson Review Full Question Set With Accurate Answers

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Essentials Of Statistics For Business And Economics 8Th Edition Anderson Review Full Question Set With Accurate Answers

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ESSENTIALS OF STATISTICS FOR
BUSINESS AND ECONOMICS 8TH
EDITION ANDERSON REVIEW FULL
QUESTION SET WITH ACCURATE
ANSWERS

◉ Skewed Right Distribution Shape
Answer: Tail trails off to the right.


◉ Bimodal Distribution Shape
Answer: Two peaks


◉ Outliers
Answer: are data values that are very different from other
measurements in the data set


◉ Bar Graphs
Answer: Comparative qualitative or quantitative data
-must have a title
-beginning and total length of bars be shown
-can be horizontal or vertical
-should be of uniform width and spacing

, ◉ Pareto Chart
Answer: Bar graph where the bar height represents the frequency
of an event and bars are arranged in descending order from left to
right.
-must have a title


◉ Circle Graph/Pie Chart
Answer: a.k.a. Sector graph useful for qualitative data
-must have a title
-5-6 Wedges (no more than 10)
-avoid 3-D wedges
-label wedges


◉ Trend Data
Answer: Time plots/time series (linear graph)
-useful quantitative data


◉ Stem-and-Leaf Plots/Displays
Answer: exploratory data analysis
-alternative to frequency distribution for small data sets
-organizes and groups the data while retaining the specific data
values

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