Reference no: EM133319953
1. Using the statistic of variance, are males or females more divided on each of the following five variables:
A. Number of adults in the household
Male variance is .601
Female variance is 1.655
B. Age of respondent:
Male variance is .271
Female variance is .286
C. Education level:
Male variance is 1.228
Female variance is 1.203
2. Define and explain confidence intervals. Define and explain confidence levels. What are the differences and how are they related?
3. Define and explain three measures of central tendency.
4. Define and explain the statistical significance. Be sure to list common statistical measures of statistical significance. Be sure to explain some of the limitations of statistical significance.
5. Discuss measures of association. What are they and why are they used?
6. Define and explain an ANOVA. Be sure to include in your discussion the effect size and a discussion of explained and unexplained variation. Provide a common statistical measure of statistical significance with ANOVA.
7. Define and explain three measures of dispersion of data.
9. List and discuss five common parts of the internship paper that is required for graduation from the Master of Public Administration program.
10. What are the demographic and socioeconomic characteristics of individuals who are underrepresented and overrepresented as respondents in polls? Discuss the strengths and weaknesses of the five types of surveys.
11. Explain the differences between qualitative and quantitative research. Discuss the strengths and weaknesses of each. Give examples of different types of research that are appropriate for each method.
12. Define and explain R squared. Be sure to discuss the characteristics of its measurement. Interpret the strength of the ability to explain the r-squared statistic in the two models. Be sure to indicate which is stronger. Be sure to identify as a percent of the interpretation of R squared.
Model A
R squared = .359
Model B
R squared = .856
15. Below is a list of responses from a survey. What are the modal (mode) and median categories for each of the following examples? List the category names, not the percentages. The percentages are representative of the portion of respondents. The responses are in ranked order.
A. How often do you trust a public official to do what is right?
Almost always =7%
Most of the time =31%
Some of the time =47%
Rarely =15%
Total =100%
B. Rate the job performance of the state legislature:
Excellent =7%
Good =32%
Fair =49%
Poor =12%
Total =100%
C. Rate the quality of life in Missouri:
16. Missourians were asked to rate their perceptions of the ideologies of political figures on a five-point scale. The scores were 1 for very liberal, 2 for somewhat liberal, 3 for moderate, 4 for somewhat conservative, and 5 for very conservative. What is the mean in words for each of the following persons?
A. Donald Trump, mean = 4.35
B. Joe Biden, mean = 2.6
17. What is the direction of a relationship? Why is this information relevant?
18. Distinguish between Type I error and Type II error. What two strategies are available to reduce the probability of a Type I error? What two strategies are available to reduce the probability of a Type II error?