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Problem sets

by: Kevin Porter

Problem sets PSC 202 - M100

Kevin Porter

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Problem sets
Introduction to Political Analysis
S. Piston
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This 4 page Bundle was uploaded by Kevin Porter on Thursday September 22, 2016. The Bundle belongs to PSC 202 - M100 at Syracuse University taught by S. Piston in Spring 2016. Since its upload, it has received 5 views.

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Date Created: 09/22/16
Kevin Porter  Introduction To Political Analysis  Professor Piston   3/25/16  Problem Set #3    1a) See attached.    1b) Interactive    After holding the control variable constant, does a relationship exist between the  independent variable and the dependant variable within at least one value of the control  variable?  ↳ Yes, a relationship does exist in at least one value of the control group. This means that the  relationship is not spurious.    Is the direction of the relationship between the independent variable and the dependent  variable the same at all values of the control group?  ↳ No the direction of the relationship between the independent variable and the dependent  variable is not the same at all values of the control group. On both sides, there were both  positive and negative values/relationships.    Is the strength of the relationship between the independent variable and the dependent  variable the same or very similar at all values of the control variable?  ↳ No, the strength of the relationship between the independent variable and the dependent  variable are not the same or very similar at all values of the control group. The variation is all  over the place, and has a wide range.    1c) See attached    1d) Yes it does. For both Liberals and Conservatives, we see increased support for social  security when the respondent is closer in age or younger than the interviewer. For Liberals, this  was the case for 59.3% of the total interviewees, and for Conservatives 50.2% responded with  the belief that spending was too little on social security.     1e) The age difference is just slightly stronger for Conservatives than for liberals. In both cases  when the respondent was older than the interviewer, 52% of Liberals and 55% of Conservatives  responded that we were spending about right / too much on Social Security. Despite  Conservatives edging Liberals by a slight margin, this also showed that they do not have as  divergent opinions on social security as might be expected. While Liberals were more open  about spending more on social security, Conservatives we split almost down the middle with  50% on each side of the opinions. It is interesting to note that the divide was the same in nature  , where older respondents both Liberal and Conservative believed that we were spending about  right / too much, and younger Liberal and Conservative respondents were more supportive of  Social Security spending. While the evidence does support proposition two, there is much less  variation than might be expected    2a)  8.5 Years: (8.5­12)/2 = ­1.75  10 Years: (10­12)/2 = ­1  14.5 Years: (14.5­12)/2 = 1.25  16 Years: (16­12)/2 = 2    2b)  ­1.5: 9 Years  0.5: 13 Years  2.0: 16 Years    2c) 38% of the population has between 11 and 13 years of education    2d) 9.5 Years of education.     3)  Standard deviation: 5.97  Mean: 76.75  Variance: 35.68    The mean of the test scores (80,84,75,68) is 76.75, which means that the scores will vary by  5.67 points on the tests which represents a relatively close and concentrated data set around  the mean.                Kevin Porter  PSC 202  Li Shao  4/18/16    Problem Set 4    1a) Standard error of the mean = 2        95% Confidence interval of the standard mean = 66.08 ­ 73.92    1b) The journalist is not on solid statistical grounds and the average weight is not still 75. Under  the mayor, the 95% confidence interval is between 66.08­73.92 which is far less than if the  average weight was still 75 which is 71.08­78.92.         2a) Standard error of the difference in the mean scores: 3.9    2b)   Null hypothesis: 0 (There is no difference)  Alternative hypothesis: 5 (There is a difference)    2c) T = 1.3 with 1098 degrees of freedom      3a) The predicted level of infant mortality with no level of bureaucratic capability to implement  public policies, is classified as a dictatorship, and has no doctors per 1,00 residents in the  country is 80%.     3b)       3c)    3d) The predicted level of mortality is higher in Country A (183%) than it is in Country B (178%).                      4a) The null hypothesis between education and income states that r = 0.    4b) There is a moderate positive relationship because the coefficient is positive. We can reject  the null hypothesis at the 0.05 level because the p value (0.04) is less which means the  coefficient is significant and is not equal to 0.    4c) Negative coefficient which indicates a negative relationship exists between education and  ideology.    4d) No, because the p value (.098) is greater than the significance level (0.95), therefore we can  not come to the conclusion that the coefficient is different from 0.                   


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