1. Explain the difference between a closed-ended question, an open-ended question, and
a probing question. When would you use each?
2. Explain the difference between a top-down and bottom- up interview approach. When
would you use each approach?
3. Draw a use case diagram for the following dentist office system, but do not bother to
identify the flow of events within each use case. Whenever new patients are seen for
the first time, they complete a patient information form that asks their name,
address, phone number and brief medical history, which are stored in the patient
information file. When a patient calls to schedule a new appointment or change an
existing appointment, the receptionist checks the appointment file for an available
time. Once a good time is found for the patient, the appointment is scheduled. If the
patient is a new patient, an incomplete entry is made in the patient file; the full
information will be collected when they arrive for their appointment. Because
appointments are often made so far in advance, the receptionist usually mails a
reminder postcard to each patient two weeks before their appointment.
4. Create an activity diagram for the dentist office system in previous question.
5. Create one detail use-case description for the dentist office system in previous
question.

1.A study of complaints by Health Maintenance Organization members compared those who filed complaints about medical treatment with a random sample of members who did not complain that year. Below are the data on the total number in each group and the number who voluntarily left the HMO. In the blank below report the observed value of the test statistic (e.g., observed z, observed t, or observed χ2) you will use for hypothesis testing.

2.

Enter the critical value of the statistic (z, t, or X2) you need for alpha = .05.

3. Do we reject H0 or fail to reject?

4. State your conclusions based on your results from this study using an APA style sentence with the correct format for presenting the results of an inferential test.

HELP ASAP

What is the oxidation state of iron in FeO4?

What is meant by the term steady state?

1a.) What is a z score? List a few reasons, with detail, that cover why a z score is useful to researchers.

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1b.) A normal curve is an important part of statistical research. When might a curve be abnormal? Why is it this important? What issues might we confront if we assume normality when there is none?

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1c.) List the rules of probability, and give a short description of each. Come up with a few scenarios where you might use each rule.

Step 1. Access a dataset with store records at AmazingMartEU2.xlsx and view in Excel

Step 2. Describe the dataset in your own words.

Step 3. Come up with questions to answer using this dataset:

Which products are sales leaders by quantity?

Which products are profit leaders by state and by country?

Which products are loss leaders by state and by country??

Sales target met by category by year?

Which customer segment is most profitable overall and by country?

Which products are trending high in profitability by season (3 month quarters, Jan-Mar, …, Oct-Dec)?

Step 4. Import the data into Tableau (see instructions at http://onlinehelp.tableau.com/current/pro/desktop/en-us/examples_excel.html).

Step 5. Try and use filtering, built-in functions, and visualizations to answer the questions. Take screenshots and paste into this document below. Add language to explain each screenshot as you answer the question.

find the inflation data for the last 3 years:

1. What are your thoughts about the current state of the economy in terms of the historical inflation data for the last 3 years? Discuss either the effects or the types of inflation.

2. Is demand-pull inflation or cost-push inflation or both at play? Explain with examples.

3. Will the future (for instance, 3 years from now) lead to higher inflation rates or lower? Why or why not?

4. Will the future (for instance, 3 years from now) be more promising or otherwise for the existing unemployed? Why or why not?

Locate a scholarly article in a psychology journal that utilizes a hypothesis or research question. Use e-library resources attached in course materials and document PSY380-LibraryResources, if you need help finding an article. You will answer each question below with full complete sentences using solid academic writing. Use in-text citations when needed. A reference page with all resources listed using APA formatting is expected.

Respond to the following questions about your scholarly article. You may answer the questions directly in this document or you may complete the assignment on a separate document.

1. Provide the APA reference
2. Identify the hypothesis or research question(s) used in the study
3. Describe the study. What was the purpose of the study/or research question(s)?
4. Which test statistic was used?
5. Report the statistical results (using correct APA style formatting).
6. Interpret and explain the statistical results. Was the hypothesis supported?
7. What, if any, future research was suggested?

Assessing Macroeconomic Performance

What measuring sticks/metrics you would use in order to accomplish your assessment of how the economy is doing.

Explanation of my question:

Assume you are asked the question, “How is the economy doing?” What specific metrics or measuring sticks do you believe should be noted and/or analyzed in order to arrive at an accurate reading of how the economy is doing and where it is headed. Like, how one should go about assessing the performance of the U.S. economy or the process (focusing on the appropriate variables-metrics-measuring sticks) involved in arriving at such an assessment and not actually assessing the performance of the economy. Can you identify between 6-10 metrics and explain why you chose it and how you would use it. (Not sure if that is too much, just looking for a thorough explanation.) I have an exam in a little while and this would really help me to understand. Thank you.