Our Tutors/Experts
Computer Science
Are Available 24/7
Credits and Debits
e-commerce
Education
Entrepreneurs
Humanities
Our
Free Internet Libraries improve grades and careers.
3 Free Business Book Summaries
Including New York Times Bestsellers
Shop
Amazon
Textbooks
and Amazon
Student
and receive
free gifts,
free shipping, plus big discounts!
Statistics Tutors
can help with difficult questions.
Statistics Specialty Store
Statistics Learning Center
Our
SPSS
tutors
can help with difficult assignments.
Online Six Sigma Certification
[Green Belt]
will improve your resume.
Chapter 1 of every ichapters' e-textbook
is Free.
Our Experts Tutors Can Help
With Difficult Assignments
Accounting
Computer Science
e-commerce
Entrepreneurs
Life
Sciences
Mathematics
Nursing
Statistics
Writing Services
Please Blog Friends About This Free Library Using
Part I Practice Problems on
Descriptive Statistics from
Formula
Reviews From Quick Notes Statistics may help with these problems.
Telling Teachers about
When printing, highlight just the problems and not the advertising and then choose File, Print, Section, and
OK.
and these free teaching materials might help lower the cost of
textbooks.
Calculate the following using this sample data. Where
appropriate, state the symbol for the
measure and the formula used. Those not using a calculator or computer should
show all work.
Data: 20, 6, 15, 22, 13, 9, 2, 20, 10
1. Mean
2. Median
4. Variance
5. Standard Deviation
6 Pearson's Coefficient of skewness
7. 85th percentile
8. Third decile
9. Interquartile range
10. Use a paragraph or two containing complete sentences to define two variables, one that is skewed positively and one that is skewed negatively. Explain why you think the data is skewed.