SELECT SQL_CALC_FOUND_ROWS posting_id, rw1.node_name AS subject, rw2.node_name AS topic FROM posting, rewrite_sol_bm AS rw1, rewrite_sol_bm AS rw2 WHERE ota_id=103300 AND type=1 AND library_status=1 AND posting.subject_id=rw1.subject_id AND posting.topic_id=rw2.topic_id AND rw1.node_type=1 AND rw2.node_type=2 ORDER BY library_downloads DESC LIMIT 40, 20 Online TA Profiles - Homework Help from BrainMass
Online TA Profiles
Changping Wang, MA
OTA ID#: 103300

Education Experience: BSc , Mathematics, Wuhan Univ. China, 1989
MA, Mathematics, Shandong Univ., 1992
Focus of Study: I am working towards my PhD in Mathematics at Dalhousie University.
Awards: First place in teaching contest of young teachers in Wuhan Univ. in 1997.

Awarded scholarship at Dalhousie University.
Publications: I have published 14 academic papers.
Work Experience: I had been teaching in Wuhan University in China for ten years.
Skills & Achievements: I am working towards my PhD degree at Dalhousie University now.
Career Interests: Upon my completion my PhD, I plan to do my postdoctor in CA or USA.
Outside Interests: I like listening to music, playing table tennis and so forth.
Additional Information: I am working as a teaching assistant at Dalhousie University now.
Message to Students
and/or Parents:		 Learning never stops.
Postings Answered: 6066
Cumulative OTA Rating: 4.9/5  What is OTA Rating?
Top Solutions Downloads
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  1. Director of Human Resources for PNC, Inc. - As part of a study of corporate employees, the Director of Human Resources for PNC, Inc. wants to compare the distance traveled to work by employees at their office in downtown Cincinnati with the dis ...
  2. Statistic Samples - Perform hypothesis testing on one variable's data. (Choose either the intrinsic or extrinsic column.) Perform a t-test by formulating a null and an alternative statement, choosing an acceptable signif ...
  3. The American sugar producers association wants to estimate the mean yearly sugar consumption. - The American sugar producers association wants to estimate the mean yearly sugar consumption. A sample of 16 people reveals the mean yearly consumption to be 60 pounds with a standard deviation of 20 ...
  4. A large candy manufacturer is concerned that the mean weight of their Chunky Chocolate Crisp bar is not greater than 4.3 ounces. - A large candy manufacturer is concerned that the mean weight of their Chunky Chocolate Crisp bar is not greater than 4.3 ounces. It can be assumed that the population standard deviation is .03 ounces ...
  5. Population Mean - A processor of carrots cuts the green top off each carrot, washes the carrots, and inserts six to a package. Twenty packages are inserted in a box for shipment. To test the weight of the boxes, a few ...
  6. Probability distribution - I need a narrative report explaining the concept of probability distribution. I do not understand so please in its simplest terms explain the following: How you would use the concept of probabili ...
  7. Why is a t-statistic as opposed to a z-statistic used to test small samples? - Why is a t-statistic as opposed to a z-statistic used to test small samples? Does the choice of test statistic alter how you employ the 5-step hypothesis testing procedure? When testing two p ...
  8. Probability Distribution - I need steps on how to tackle the problem. I am lost completely on what to do. Please explain as much as possible. The documents I have provided is the only information given to me. 1. How you w ...
  9. Heart Disease and Cancer : Plotting Graphs Using Excel, Trends and Making Predictions - You have been invited to present statistical information at a conference. To prepare, you must perform the following tasks: The following data was retrieved from www.cdc.gov. It represents the n ...
  10. Arithmetic - 4) CLASSIC PROBLEM - A traveling salesman (selling shoes) stops at a farm in the Midwest. Before he could knock on the door, he noticed an old truck on fire. He rushed over and pulled a young lady out ...
  11. Please show all calculation on excel so that I can follow the method to calcuate the results. Thanks - 15.26 A study regarding the relationship between age and the amount of pressure sales personnel feel in relation to their jobs revealed the following sample information. At the .01 significance level ...
  12. Parametric and Nonparametric Data Identification - Label each of the following situations "P" if it is an example of parametric data or "NP" if it is an example of nonparametric data. 1. In a comparison of two towns, is the average height of its resi ...
  13. Relationship between job pressure and age - A study regarding the relationship between age and the amount of pressure sales personnel feel in relation to their jobs revealed the following sample information. At the .01 significance level, is th ...
  14. The Grand Strand Family Medical Center - The Grand Strand Family Medical Center is specifically set up to treat minor medical emergencies for visitors to the Myrtle Beach area. There are two facilities, one in the Little River Area and the o ...
  15. Regression Analysis - Using Excel as your processing tool, work through three simple regression analyses. First run a regression analysis using the BENEFITS column of 288 data points in the AIU data set as the independ ...
  16. What is the difference between an equation and an expression? - Can I get some help for me to understand what is the difference between an equation and an expression? Can you solve for a variable in an expression? Could you explain. Cn you solve for a variable in ...
  17. A number of minor automobile accidents occur at various high-risk intersections... - A number of minor automobile accidents occur at various high-risk intersections in Teton County despite traffic lights. The Traffic Department claims that a modification in the type of light will redu ...
  18. Q 10 - The manager of a computer software company wishes to study the number of hours top executives spend at their computer terminals by type of industry... - The manager of a computer software company wishes to study the number of hours top executives spend at their computer terminals by type of industry. The manager seleceted a sample of five executives ...
  19. Significance level - At the time she was hired as a server at the Grumney Family Restaurant, Beth Brigden was told, "You can average more than $20 a day in tips." Over the first 35 days she was employed at the restaurant ...
  20. The owner of Maumee Ford-Mercury wants to study the relationship between the age of a car and its selling price. - The owner of Maumee Ford-Mercury wants to study the relationship between the age of a car and its selling price. Listed below is a random sample of 12 used cars sold at the dealership during the last ...
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