1) Using the data table, find and report the following probabilities: a. The probability that one randomly selected patient is experiencing High CoVID-19 severity given they are a Never Smoker b. The probability that one randomly selected patient is experiencing High CoVID-19 severity given they are an “Ever” Smoker meaning that they are a Current or Former Smoker, 2) Using StatCrunch* and the available data, construct a 99%

Question

1) Using the data table, find and report the following probabilities:

a. The probability that one randomly selected patient is experiencing High CoVID-19 severity given they are a Never Smoker

b. The probability that one randomly selected patient is experiencing High CoVID-19 severity given they are an “Ever” Smoker meaning that they are a Current or Former Smoker,

2) Using StatCrunch* and the available data, construct a 99% Confidence Interval for the proportion of all patients experiencing High CoVID-19 severity if they are a Never Smoker. 

a. Report the confidence interval using proper notation.

b. In one to two complete sentences, state an interpretation for this confidence interval.

3) Using StatCrunch* and the available data, construct a 99% Confidence Interval for the proportion of all patients experiencing High CoVID-19 severity if they are an “Ever” Smoker (i.e., they are a Current or Former Smoker. 

a. Report the confidence interval using proper notation. b. In one to two complete sentences, state an interpretation for this confidence interval.

4) One research question that could be posed using the available data: “Is there an advantage to being a Never smoker when it comes to CoVID-19 severity?” Essentially, we would like to know if the rate of High CoVID-19 severity is lower for Never smokers than it is for Current/Former smokers.

Determine a method that would be appropriate for answering this research question. Using StatCrunch* and the available data, perform the statistical procedure deemed appropriate.  

Hint: In order to adequately answer this question, you will need to perform an additional statistical procedure and go beyond the CI estimates already constructed in Questions 2-3 above.

a. What method did you use to answer the research question e.g., One-Sample t-Test for Means?

b. Why did you select this particular method to answer the research question?

c. In one to two complete sentences, summarize and interpret the relevant findings of your analysis in the context of the research question i.e., what do the findings suggest about the impact of smoking history on CoVID-19 severity?

d. If your findings in 4c were surprising, what might we be missing? Suggest another factor or factors that might be missing in the current study, leading us to this surprising result.

COVID-19 Severity
Smoking History
Low
High
Сurrent
87
15
Former
43
9
Never
136
64
Expand
Transcribed Image Text

COVID-19 Severity Smoking History Low High Сurrent 87 15 Former 43 9 Never 136 64

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