Statistics in Research, assignment help

Directions: After reviewing the Statistics in a research context in the powerpoint below, provide succinct technical answers to the following questions.

Powerpoint:

Statistics in Research Context. 1.25.16_1.pptx

  1. How does statistics  fit into the research context?
  2. If samples yield statistics, what do populations yield?
  3. What is the most important characteristic of a good sample? 
  4. How many variables are in the following statement?  There is a positive relationship between academic achievement and self-esteem. 

5. Does everyday application employ the empirical approach? 

6. What is the name for a subset of the population?

7. Explain the differences between an independent and dependent variable. Identify a potential independent and dependent variable for a research study.

8. Compare and contrast the different sampling techniques.

9. Based on the scenarios below, identify the correct level of measurement. 

a. Melissa has an SAT score of 1100, while Kevin has an SAT score of 1090.  Melissa scored 10 more points that Kevin

b. Melissa’s college record shows 36 credit hours earned, while Kevin’s record shows 72 credit hours earned. Kevin has twice as many credit hours earned as Melissa. 

c. Students at a University are classified by the scale in which they are enrolled using a nonnumeric label such as Business, Humanites,  Education, etc. (A numeric code can also be utilized)

d. Students of a University are classified by their class standing using a nonnumeric code (Freshman, Sophomore, Junior).  (numeric codes 1-4 can be used as well)

10. Please identify the correct scale of measurement for the types of data listed below and explain why this is the correct level of measurement. (be sure to explain why this is the correct level of measurement). 

a. Political Party Affiliation

b. The weight of 10 year olds in America

c. First, second, and third place winners in a race. 

d. Emma IQ is 120, whereas Frank’s 100