This assessment fulfills the following objectives:
MLO 5.1.1
MLO 5.2.4
MLO 5.3.3
MLO 5.6.1 and 5.5.1
Instructions
- Please read other students' responses after you reply to your own.
- You can reply to your post (one more time) within the due date if you need to correct your answer.
- You will only get credit if your first response is relevant (or blank) to the questions. If you reply to it again, please mention a reason why you need to reply to it again.
- Reply to two classmates: Hint: Check your answer (or response) to your classmate. If you have answers (explanation. or reasoning) different from your classmates, comment on whether you agree or disagree or suggest him/her for correction. Even if you agree with your classmate's response (answer, explanation, or reasoning), you can comment on him/her, explaining how you came up with your response.
- Please address your peers by their first name. For students with the same first name, the initial of the last name must be included. Please be sure to include the question number (Q1, Q2, Q3...etc.) when making your initial posts and replies to your classmates.
- Use of AI: Do not copy and paste your response directly from AI if you are using it. Your response should be in your own words. Copying and pasting directly from AI will result in no points in the discussion. (You need to cite AI sources if you are using AI assignments)
Requirements
- Reply to two of your classmates. Please mention the name of the classmate at the top of the reply.
- Each classmate's reply should contain at least 25 words.
Questions
For each discussion, students will post their responses to the question set.
Q1. Consider the following statistical studies.
- Identify the population and the population parameter of interest.
- Describe the sample and sample statistic for the study.
A Fox News poll of 900 registered voters found that 19% of Americans “regift” (give gifts that they received as gifts). Women (21%) are more likely to regift than men (16%), and the results are nearly independent of income. The margin of error was 3 percentage point.
(Hint: Page 330 of the textbook)
Q2. Go to the website of a major professional polling organization. Study results from a recent poll and evaluate the poll.
- Did you notice the sample size the pollster picked?
- What was the margin of error if you find it?
- Do you believe this poll? Explain.
Two websites for links are given (you can use them). You can use any other website. You have to mention which website you use for this question. NOTE: You should read the details on the website (you might need to click some clickable links on the website) to answer the above questions.
POLL IILinks to an external site.
POLL IILinks to an external site.
Q3. Find a recent news article that includes a bar graph with qualitative data categories. Briefly explain what the graph shows, and discuss whether it helps make the point of the news article. (Mention the source. Provide the link of the source)Links to an external site.
Q4. Find salary data for a career you are considering. What are the mean and median salaries for this career? How do these salaries compare to those of other careers that interest you?
Q5. Two factories each produce 1000 computer chips per day. In Factory A, the mean number of defective chips per day is 3 with a standard deviation of 2.5. In Factory B, the mean number of defective chips per day is 4 with a standard deviation of 0.5. Use these figures to either defend or discredit the claim that Factory A has a more reliable manufacturing process.
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