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: | 6065 |
| Cumulative OTA Rating: | 4.9/5 What is OTA Rating? |
- Perform hypothesis testing on one variable's data. - 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 ...
- STANDARD DEVIATION - The annual incomes of the five vice presidents of the TMV Industries are: $125,000;$128,000; $122,000;$133,000: and $140,000. Consider this a population. a. What is the range? b. What is the ari ...
- Q 5 - The manufacturer of the X-15 steel-belted radial truck tire claims... - The manufacturer of the X-15 steel-belted radial truck tire claims that the mean mileage the tire can be driven before the tread wears out is 60,000 miles. The standard deviation of the mileage is 5, ...
- At the .05 significance level, is the number of units produced on the afternoon shift larger? - Clark Heter is an industrial engineer at Lyons Products. He would like to determine whether there are more units produced on the afternoon shift than on the day shift. A sample of 54 day shift workers ...
- EFFECTIVE COMMUNICATION TECHNIQUES - Details: Piggybank has narrowed its options down to two incentive plans: A. cash back when the consumer makes an online purchase; and B. cash back when the consumer makes a purchase at a clothing stor ...
- The chief of security for the Mall of the Dakotas... - The chief of security for the Mall of the Dakotas was directed to study the problem of missing goods. He selected a sample of 100 boxes that had been tampered with and ascertained that for 60 of the b ...
- Statistics Problems - Statistics Problems. See attached file for full problem description.
- Samples - Using AIU's large database of survey responses from the AIU data set, complete the following: Perform hypothesis testing on one variable's data. (Choose either the intrinsic or extrinsic column.) ...
- What is the five-step process for hypothesis testing? Is the order important? Why or why not? - The response to the question: "What is the five-step process for hypothesis testing? Is the order important? Why or why not?"
- Quadratic functions - When using the quadratic formula to solve a quadratic equation (ax2 + bx + c = 0), the discriminant is b2 - 4ac. This discriminant can be positive, zero, or negative. How can I create three unique ...
- A study was conducted to estimate the mean amount spent on birthday gifts for a typical family having two children. - 1. A study was conducted to estimate the mean amount spent on birthday gifts for a typical family having two children. A sample of 150 was taken, and the mean amount spent was $225. Assuming a standa ...
- How do you determine if a polynomial is the difference of two squares? - 50 word response. How do you determine if a polynomial is the difference of two squares?
- survey responses from 288 individuals - (1) Gender (2) Age (3) Department (4) Position (5) Tenure (6) Overall Job Satisfaction (7) Intrinsic Job Satisfaction - Satisfaction with the actual performance of the job (8) Extrinsic Job Satisfa ...
- A physician who specializes in weight control has three different diets she recommends. - A physician who specializes in weight control has three different diets she recommends. As an experiment, she randomly selected 15 patients and then assigned 5 to each diet. After three weeks the foll ...
- Hypothesis Testing - The MBA department is concerned that dual degree students may be receiving lower grades than the regular MBA students. Two independent random samples have been selected. 100 observations from popu ...
- How many different telephone numbers are possible within the 537 exchange? - A telephone number consists of seven digits, the first three representing the exchange. How many different telephone numbers are possible within the 537 exchange?
- A recent study focused on the number of times men and women who live alone buy take-out dinner in a month. The information is summarized below. - Exercise 11- 23 A recent study focused on the number of times men and women who live alone buy take-out dinner in a month. The information is summarized below. Statistic Men ...
- Quadratic equations and graphing - Suppose you are an event coordinator for a large performance theater. One of the hottest new Broadway musicals has started to tour, and your city is the first stop on the tour. You need to supply info ...
- Significance Levels - For many years TV executives used the guideline - For many years TV executives used the guideline that 30 percent of the audience were watching each of the prime-time networks and 10 percent were cable stations on a weekday night. A random sample of ...
- They race over a part of the course several times. Below are the sample times in minutes. at the .05 significance level, can we conclude that there is a difference in their mean times? - 11-38 Two boats, the Prada (Italy) and the Oracle (U.S.A.), are competing for a spot in the upcoming America's Cup race. They race over a part of the course several times. Below ar4e the sample t ...
