s- Data X centralmethodist.edu/ICS/Academics/NU/AH316_ EX17/EXSU 2018 UNDG-AH316

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s- Data X centralmethodist.edu/ICS/Academics/NU/AH316_ EX17/EXSU 2018 UNDG-AH316 EX17-OS/Assignm scored out of: | O Exit this Exam uestions 50 Points Last Saved: 9:48 AM roT? Our stuay nasan apna orvUy ana a power or v sur rou reporr a cni-square or 2.37-rou . . Tape conclude there is a statistically significant difference you do not have enough information to determine if the results are statistically significant you should reject the null hypothesis @ you should accept the alternative hyppthesis 11) All students who take a statistics course at Brockport are selected to be subjects of a research (2pts) study. They are asked to fill out a survey including demographic nformation which is then used to describe the typical Brockport college student What kind of sampling is this? simpie random sampling cluster sampling stratified sampling 12 You wish to determume if there is a relationslisp between gender (male female) and smoking staurs (smoker non-smoker) The most appropriate lest trould be

Explanation / Answer

11) This is a sample of convenience sampling

since Convenience sampling is a non-probabilitysampling technique where subjects are selected because of their convenient accessibility and proximity to the researcher, here researcher has taken all statistics students.

12) The most appropriate test would be chi square.

Since gender and smoking status are both categorical variables , so they should put in 2*2 contingency table and chi square statistic willbe used to test whether there is any association between gender and smoking status.

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