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If you have not done so already, download the cell-phones datafile. As always, if you are prompted to login, just close the prompt and continue with the download.Upload the datafile into StatCrunch. Note: the symbol * in the spreadsheet indicates a missing value; this means that the associated individual did not answer the question.ContextIn 2015 college students at a large state university completed a survey about their academic and personal life. Questions ranged from "How many credits are you registered for this semester?" to "Would you define yourself as a vegetarian?"The researcher randomly selected 325 students from the university; 312 responded to the survey.PromptThe cell-phone datafile is available in the Data section below.Once again, here is the research question for this lab.Based on a recent study, roughly 80% of college students in the U.S. own a smartphone. Is the proportion of smartphone owners lower at this university?Respond to each of the following in your initial post.State your hypotheses in symbolic form and in words. (The following should be clear in your answer: the population of interest and the meaning of the proportion p in terms of the variable Cell.)StatCrunch uses a normal model to estimate the P-value probability. Verify that normality conditions are met. Use StatCrunch to conduct the hypothesis test. (directions)Copy and paste the results (the StatCrunch output window) into your initial post.Give your P-value and interpret its meaning as a conditional probability.State a conclusion that answers the research question. Use a significance level of 5%. (Your answer should include the P-value and reference the population and the variable Cell.)
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Most Popular Content
7 pages
Use Sas To Do The Following Analysis And Answer Questions
Use SAS to do the following analysis and answer questions. Dataset “ch05q01.txt” is in the Data folder, where ‘DRYWT ...
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Use SAS to do the following analysis and answer questions. Dataset “ch05q01.txt” is in the Data folder, where ‘DRYWT’ and ‘LOGDRYWG’ ...
Cuyamaca College Hypotheses & Survey Worksheet
If you have not done so already, download the cell-phones datafile. As always, if you are prompted to login, just close th ...
Cuyamaca College Hypotheses & Survey Worksheet
If you have not done so already, download the cell-phones datafile. As always, if you are prompted to login, just close the prompt and continue with the download.Upload the datafile into StatCrunch. Note: the symbol * in the spreadsheet indicates a missing value; this means that the associated individual did not answer the question.ContextIn 2015 college students at a large state university completed a survey about their academic and personal life. Questions ranged from "How many credits are you registered for this semester?" to "Would you define yourself as a vegetarian?"The researcher randomly selected 325 students from the university; 312 responded to the survey.PromptThe cell-phone datafile is available in the Data section below.Once again, here is the research question for this lab.Based on a recent study, roughly 80% of college students in the U.S. own a smartphone. Is the proportion of smartphone owners lower at this university?Respond to each of the following in your initial post.State your hypotheses in symbolic form and in words. (The following should be clear in your answer: the population of interest and the meaning of the proportion p in terms of the variable Cell.)StatCrunch uses a normal model to estimate the P-value probability. Verify that normality conditions are met. Use StatCrunch to conduct the hypothesis test. (directions)Copy and paste the results (the StatCrunch output window) into your initial post.Give your P-value and interpret its meaning as a conditional probability.State a conclusion that answers the research question. Use a significance level of 5%. (Your answer should include the P-value and reference the population and the variable Cell.)
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