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
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
