20 Apr Statistics Assessment Exploring British Social Attitudes: Quantit
Statistics Assessment Exploring British Social Attitudes: Quantitative Methods in Social ResearchIn this assignment you will need a) to answer some general questions about quantitative data analysis and b) to answer some questions using data taken from the 2016 British Social Attitudes Survey. All questions must be answered. The following questions are about measurement List the different levels a variable may take and describe the properties of the levels.List the level of measurement that has been used for each of the variables in the dataset (other than the serial number)? Do not use the level of measurement in the data file. They have all been set to scale.How do variables’ levels of measurement affect statistical analyses? Give examples. You are required to report some descriptive statistics. Report your findings using any charts or tables you think are appropriate. Report two measures of dispersion and two measures of central tendency of respondents’ score on the scale measuring their attitude to welfare?What percentage of the sample have heard of the Office for National Statistics on radio, TV, newspapers or somewhere else? (report valid percent) The following questions are about the number of hour respondents normally work each week. What is the greatest number of trips by plane reported by a respondent?Recode the variable measuring many trips by plane respondents reported: 0-1 trips, 2- 5 trips, 6- 50 trips and more than 50 trips. Display the proportions in each category using appropriate tables and charts.What percentage of respondents who took between 2-5 trips agree strongly that for some crimes the death penalty is the most appropriate punishment? The following question are about how long people expect it to take for someone to recover from a hip operation and the number of hours they work. Report the confidence interval of the mean percentage of people respondents think will feel better six months after having a hip replacement operation. Please give an interpretation of your results.Is the mean number of hours respondents said they worked in their main job significantly different from 40? Please give an interpretation of your results. The following question is about hypothesis testing and statistical significance. In your own words, i) define the concept of a sampling distribution, and ii) describe its role in statistical inference. The following questions are about behavioural and attitudinal differences between members of the sample. For each question you must select the appropriate test of significance, report relevant SPSS output and an interpretation of your results. a) Is a respondent’s sex independent of their belief that doctors should be allowed to end patients’ lives if they have painful, incurable diseases and request it? Which test did you use and was it statistically significant?b) How does the mean age respondents left continuous full-time education differ by race? Which test did you use and was it statistically significant?c) Produce a measure of association between respondents’ score on the libertarian/authoritarian scale and the percentage of people on benefits in their local area who have broken the law by giving false information? Which test did you use and was it statistically significant?d) How does the mean left/right score differ across respondents who have A-levels and those who don’t? Which test did you use and was it statistically significant? The following questions are about modelling the relationship between respondents’ attitudes towards adults watching pornography and their age. Please include all relevant SPSS output and interpret your results. a) Model respondents’ scores on the scale measuring how wrong they think it is for adults to watch pornography as a function of their age. What is the expected change in the scale measuring how wrong they think it is for adults to watch pornography associated with a unit change in their age?b) What is the correlation coefficient between the two variables?c) Display in a graph the relationship between the two variables.d) What is the proportionate reduction in error in predicting respondents’ score on the scale measuring how wrong they think it is for adults to watch pornography by modelling it as a function of age?
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