Running Head: STATISTICAL INFERENCEStatistical InferenceStudent:Institution:1STATISTICAL INFERENCE2Based on what you now know about statistical inference, is Saras conclusion a logicalconclusion? Why or why not?Saras conclusion is not a logical one because her sample size is too small to conclude that Joneswill win the election. She needs more people in her sample size to conclude that and because sheonly asked her friends her conclusion might also not be logical since her friends have the samelevel of thinking as she does. In order for her conclusion to be logical she should increase hersample size and also ask people who are not her friends for proportionality in her sample.How many friend samples Sara should have in order to draw the conclusion with 95%confidence interval? Why?We dont know the population size in Saras case. When we know the total population in thepresidential election then it will determine how we draw the conclusion with 95% confidenceinterval since the sample size increases with the population size until it becomes constant afterthe population size reaches certain regions. For 95% confidence interval the margin of error has ...
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