Assignment 1 Part I: Examine the Basic Principles and Concepts Related to Descriptive and Inferential Statistics

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Please answer each of the following questions using information from the readings. Remember that there are additional resources available in the Supplemental Resources under Course Resources from the course home page. Please do not just copy and paste definitions from the text. Ensure you understand each term and explain in your own words. Also, give your own real-world example of each concept to ensure understanding of the concept.

1. Population and sample:
2. What is a population? Give an example of a population.
3. What is a sample? Give an example of a sample from the population given in 1a.
4. What is the difference between a sample and a parameter? Explain using examples.
5. What is the margin of error in statistics, and why is it important?
6. What is the difference between quantitative and qualitative data? Do not just paste definitions of each-fully explain in your own words the difference between these two methodologies.
7. Describe the four scales of measurement
8. Nominal
9. Ordinal
10. Interval
11. Ratio
12. Provide examples of variables found in educational research that fall under each of the four scales of measurement described above.
13. Nominal
14. Ordinal
15. Interval
16. Ratio
17. What is a hypothesis?
18. What is a hypothesis test?
19. Statistical hypothesis:
20. What is the null hypothesis? Write an example of a null hypothesis.
21. What is the alternative hypothesis? Write an example of an alternative hypothesis.
22. Please explain what a p-value is for a hypothesis test. What alpha level do researchers generally use to test significance of the p-value?

Length: 2-3 pages (thorough descriptions and examples are necessary to receive full points)

References: At least 3 scholarly sources (the course textbooks will work as a reference)

Your answers should demonstrate thoughtful consideration of the ideas and concepts that are presented in the course and provide new thoughts and insights relating directly to this topic. Your response should reflect graduate-level writing and APA standards. Be sure to adhere to National University’s Academic Integrity Policy.