Question: please help A Sample of 200 randomly selected students were asked about their smoking status. They were then made to go through a Quit Smoking
please help


A Sample of 200 randomly selected students were asked about their smoking status. They were then made to go through a "Quit Smoking" training session for three months. The number of students in each of the three different smoking categories before and after the session are shown below. Non Smokers Light Smokers Heavy Smokers Before 100 50 50 After 135 40 25 The links to all statistical tests are provided below Statistical Test Link Z-test http://www.socscistatistics.com/tests/ztest sample mean/Default2.aspx t-test https://www.graphpad.com/quickcalcs/ttest1/?Format=SD Paired t-test https://www.graphpad.com/quickcalcs/ttest1.cfm ANOVA (One Way) http://vassarstats.net/anovalu.html ANOVA (Two Way) http://vassarstats.net/anova2u.html Chi-Squared Test (One https://www.graphpad.com/quickcalcs/chisquared1.cfm dimensional) Chi-Squared Test (Two https://www.mathsisfun.com/data/chi-square-calculator.html Dimensional)Question 2 (8 points) E ) Listen Please state what test you would use and all the steps in Hypothesis testing. What is your conclusion? A/ Question 3 (2 points) Listen In the example above, suppose the margin of error is 0.08% and the investigator plans to use the 80% confidence interval. Determine the sample size required. Hint : Refer to how confidence interval is calculated and how sample size determines the confidence interval
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