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First, write down three social problems (e.g., drug abuse, gang membership, bullying, domestic violence, child abuse, etc) that we might attempt to predict using logistical regression. Second, identify and discuss what predictor variables might be appropriate for each. Next, find one peer-reviewed article for each of the three social problems you selected (i.e., you need three articles) that utilize at least one of your predictor variable and briefly describe the article. Finally, discuss how well (or not) the variable predicted each social problem.
Using an appropriate statistical test determine if there is a significant association between gender and satisfaction with the new initiative.
When the null hypothesis is rejected in the goodness-of-fit test, it means there is close agreement between the observed and expected frequencies.
Do not forget to test for any applicable difference in means (Tukey implies).
In exercise identify (a) sample and (b) population. Also, find whether sample is likely to be representative of population.
At the .01 significance level, can we conclude that the 30-yeer mortgage rate for small banks is less than 6 percent? Estimate the p -value.
Misery loves company. It is time for the PE (professional engineer's exam). The results of the national test were normally distributed around the mean score of 70.
The simple coefficient of determination is the proportion of total variation explained by the regression line.
At the Statsville County Fair, the probability of winning a prize in the ring-toss game is 0.1. Show the probability distribution for the number of prizes won in 8 games.
Suppose a company owns three cars that get 20 miles per gallon, two cars that get 22 miles per gallon and one car that gets 24 miles per gallon. Would the mean miles per gallon be 22?
The owner was interested in the mean time required to service this model, and decided not to carry the model if the mean repair time appeared to be more than 40 minutes.
Create a 95% confidence interval for proportion of highly educated women who left careers for family reasons and who wish to return to work.
Find the probability of winning jackpot?
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