| Course | MT355 Marketing Research and Analytics |
|---|---|
| Unit | Unit 1 |
| Paper type | Marketing research discussion post |
| Length | About 430 words, 2 pages double-spaced |
| Format | APA 7 discussion post |
| School | Purdue University Global |
| Program | BS in Business Administration |
| Updated | October 2026 |
Free sample paper for MT355 Unit 1
Seventy-One Percent of Whom? An MT355 Unit 1 Discussion Post on a Headline a Swim School Wanted to Believe
MT355 · Unit 1 Discussion Board Post
Posted by [Student Name]
The swim school is composite; the poll is a composite of a common type, and the sources cited are real.
Initial Post
The headline reads: "71% of adults would take swimming lessons if classes were convenient." I traced it to its source, an online poll run by a pool-equipment maker among subscribers to its email newsletter. Of 1,012 subscribers who answered, 718 chose yes, which is 70.9 percent.
The first question is who answered. Subscribers to a pool-equipment newsletter are mostly people who own or maintain a pool, which means most of them are adults who already swim. Asking them whether they would take lessons tells us little about adults who cannot swim, who are the people a swim school would need to enroll.
The second question is what they were asked. The item offered a hypothetical: lessons "if classes were convenient." Convenient softens the offer, and nothing in the question named a price, a schedule or a location. Malhotra (2019) cautions that hypothetical questions without concrete terms tend to overstate real interest. Saying yes to an imagined, free, convenient class costs nothing.
The third question is what the margin means. The release prints a margin of plus or minus 3.1 points. That is what the standard formula gives for a simple random sample of 1,012 people. But this was not a random sample; it was whoever on one company's newsletter list chose to answer. Baker et al. (2013), reporting for a professional association of survey researchers, explain that a margin of error calculated this way describes sampling error only for probability samples, and that applying it to opt-in samples gives a false impression of precision.
The 3.1-point margin is real arithmetic applied to a sample it was never meant for.
What the swim school may conclude: nothing about local demand for adult lessons. The poll is a reason to ask the question properly, not an answer to it. Has anyone else found a published figure their workplace wanted to rely on?
Reply to Grace
Your restaurant survey example, Grace, printed on receipts runs into the same trouble: only customers who already came, and chose to respond, are counted. Do you know whether the restaurant offered a discount for answering? If so, the respondents might lean toward people who visit often enough to use the discount, which would make satisfaction look higher than it is.
References
Baker, R., Brick, J. M., Bates, N. A., Battaglia, M., Couper, M. P., Dever, J. A., Gile, K. J., & Tourangeau, R. (2013). Summary report of the AAPOR task force on non-probability sampling. Journal of Survey Statistics and Methodology, 1(2), 90-143. https://doi.org/10.1093/jssam/smt008
Malhotra, N. K. (2019). Marketing research: An applied orientation (7th ed.). Pearson.
MT355 Unit 1 instructions, in plain terms
Unit 1 typically asks students to find a published statistic and judge how much weight it can bear. The post should quote the figure and trace it to whoever collected the data. Instructors want three questions answered in turn: who responded, what exactly they were asked and whether any stated margin of error fits how the sample was drawn. The post should end by saying what a business could and could not conclude from the figure. A question for classmates invites them to share figures their own workplaces have relied on. A reply should apply the same questions to a classmate's example and add a consideration they missed, such as an incentive that changed who answered. Choosing a figure with a real decision attached makes the critique matter.
How the MT 355 Unit 1 example is put together
The sample's first paragraph quotes the headline and traces it to the newsletter poll, giving 718 of 1,012. The second argues that pool-equipment subscribers mostly already swim. The third examines the hypothetical wording, with Malhotra on concrete terms. The fourth shows that the 3.1-point margin assumes random selection, citing Baker and colleagues, under the highlighted line that the margin is real arithmetic applied to a sample it was never meant for. A closing paragraph says the swim school can conclude nothing about local demand and asks classmates for their own examples. The reply to Grace asks whether a discount offered on receipts tilted that restaurant survey toward frequent customers.
Where the points sit in the MT355 Unit 1 rubric
In this opening unit, credit usually follows careful tracing of the source, accurate questions about sample and wording and a clear statement of what can be concluded. A post that dismisses a figure without explaining why reads as opinion. Graders reward recognizing that a margin of error applies only to probability samples. Attention to question wording shows understanding that how people are asked shapes what they say. The conclusion should be specific to a decision. The closing question should prompt classmates to apply the method. Replies earn more when they add a new consideration. Course text and methods sources appear in APA 7. Posts that summarize a study's findings without questioning how they were produced tend to lose points.
MT355 Unit 1 help: mistakes that cost points
Critique posts often accept a published figure because it comes from a known company or appears in the news. Another common gap is noticing a small sample while missing a biased one, which matters more. Some students misread margins of error as covering every kind of error. The link to a real decision is often missing. Before writing, find the original source of a figure you have seen quoted, read how respondents were found and copy the exact question. Those two facts usually reveal most of what the figure can and cannot support, and they make the post far stronger than a general warning about statistics.
Get an MT355 Unit 1 example written to your instructions
What published figure does your Unit 1 board open with? Paste it along with the board instructions and whatever participation criteria apply. Returned in 24-48h, the post dissects that result on source, wording and sample, then connects it to the business decision your scenario names, with a reply included if replies are graded. A first custom sample costs nothing. The paper above is an original model document written by our desk, not a submitted student paper and not an official Purdue University Global document.
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MT355 Unit 1 questions, answered
What if the survey in my prompt comes from a respected organization?
Examine it the same way. Reputation does not change who was asked or how the question was worded. Many strong surveys come from careful organizations, and the post can say so while still noting what the result cannot tell your business. MT355 graders reward the questioning rather than a conclusion that the survey is bad, so a fair critique can end by accepting much of the finding.
Do I need to calculate anything?
Rarely more than the sample shows. Checking a printed margin of error takes one line: 1.96 times the square root of p times one minus p over the sample size. Showing that the figure matches the formula, then explaining why the formula does not apply to an opt-in poll, is a strong move in this unit. Heavier statistics usually wait for later units in the course.
How is a discussion post in MT355 graded?
Most sections score the initial post on analysis and application and the replies on engagement, with deadlines for each. The analysis row rewards specific weaknesses tied to consequences; application rewards a link to a business decision. Replies earn most when they ask a classmate a question that would change their reading. Your section's rubric may weight these differently, and it takes precedence.
Where can I find a free MT355 Unit 1 sample paper?
The full MT355 Unit 1 post is on this page, tracing a 71 percent swimming lessons headline to an opt-in newsletter poll.
Why does the margin of error not apply in the MT355 Unit 1 sample?
The 3.1-point margin assumes a random sample, but the poll included only newsletter subscribers who chose to answer.