Social Statistics ICA Assignment
  • 1
  • 2
  • 3
  • 4
  • 5
Category:
Statistics
Subcategory:
STAT7002 ICA
Level:
Academic
Pages:
8
Words:
1455
Social Statistics ICA Assignment Question 1 Part A. Part B. Total Eligible voters =5,000 people Single Random sample =250 people Non responders=50, responders=200 Yes [leave]= 97, No [remain]= 103 UK leave EU 52 of voters, Remain 48 percent of Voters Proportion of p̂= 97 200 = 0.485 Estimated standard error (e.s.e)   N=5000, n=250, f=n/N=250/5000=0.05   95% confidence for p̂ is given by [p̂ - 1.96(e.s.e), p̂ + 1.96(e.s.e)] =[0.485 - 1.96(0.030870), 0.485 + 1.96(0.03070)] =[0.4244948, 0.5455052] For the respondents actually voted p̂ is the proportion of respondents who actually voted. N=5000, n=250, f=n/N=250/5000=0.05 136 respondents voted leave [YES] 114 NO p̂= estimated standard error (e.s.e) of p̂ is     [p̂ - 1.96(e.s.e), p̂ + 1.96(e.s.e)] =[0.544 - 1.96(0.030764), 0.544 + 1.96(0.030764)] [0.48370256, 0.60429744]   Part C. The confidence interval range of the proportion of respondents who actually voted leave (non-responders included) is larger than the confidence interval range of the proportion of respondents who strictly responded leave (non-responders excluded). Most of the non-responders as indicated in the survey actually voted leave at the end. The confidence interval range of the true proportion who voted leave [0.4244948, 0.5455052] indicates the voting situation will be above 40%, but below 52%. This C.I range is close to the real situation where 52% of voters wanted UK to leave EU in the final results. Part D Proportion of non-respondents amongst those who actually voted to leave   Proportion of non-respondents amongst those who actually voted to leave H0: N.A is independent of an individual's actual vote. H1: N.A is not independent of an individual's actual vote. 5% significance level 95% Confidence Level YES NO TOTAL N.A ...
Looking for professional Coursework writing help?
Entrust your assignment to qualified writers!

Related samples

An Analysis of Netflix Financials

The entertainment industry is one that is quickly changing as technology advances to cope with the change in demand for various products yet still, keep their customers satisfied. Netflix has however overcome all the challenges to emerge one of the most enviable entertainment companies in the world. With its key assets being the subscribers it…

Read more
  • 1
  • 2
  • 3
  • 4
  • 5
Biology (and other Life Sciences)

Compare and contrast directional selection and disruptive selection, and provide an example of each. Directional selection takes place only when one of the extreme traits of a population is eradicated resulting to a shift in the allele frequency. For example, the beak length of the birds from Fringillidae is transformed for the bird to feed…

Read more
  • 1
  • 2
  • 3
  • 4
  • 5
Consumer Buying Behavior

Buyer behavior refers to the approach that consumers of products in the market follow when selecting, purchasing and using different products in order to satisfy their unlimited needs. Consumer behavior in the market is influenced by various factors; internal and external. Internal factors comprise of individual’s taste and preference which influence the product they buy…

Read more
  • 1
  • 2
  • 3
  • 4
  • 5
To top Up