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Is the investigational drug effective in improving the lung capacity of chronic smokers?

INSTRUCTIONS TO CANDIDATES
ANSWER ALL QUESTIONS

1. Is the investigational drug effective in improving the lung capacity of chronic smokers?

Which are the relevant variables to this problem? What are their roles and levels of measurement?

[type your answers here]

 

Which type of t-test should be used? Why?

[type your answers here]

 

State the Null Hypothesis

[type your answers here]

 

State the Alternative Hypothesis (Identify if it is one-tailed or two-tailed)

[type your answers here]

 

State the Level of Significance

[type your answers here]

 

Perform the test in Jamovi

[paste the Jamovi results here]

 

Interpret the results of the Assumption Checks

[type your answers here]

 

Report the p-value and 95% CI (Include the Descriptive Plots)

[type your answers here]

 

Make a Statistical Decision

[type your answers here]

 

Make a Statistical Conclusion (Include your answer to the question asked in the problem)

[type your answers here]

 

2. Is there a  difference in the smoking index of the subjects obtained from the two localities

Which are the relevant variables to this problem? What are their roles and levels of measurement?

[type your answers here]

 

Which type of t-test should be used? Why?

[type your answers here]

 

State the Null Hypothesis

[type your answers here]

 

State the Alternative Hypothesis (Identify if it is one-tailed or two-tailed)

[type your answers here]

 

State the Level of Significance

[type your answers here]

 

Perform the test in Jamovi

[paste the Jamovi results here]

 

Interpret the results of the Assumption Checks

[type your answers here]

 

Report the p-value and 95% CI (Include the Descriptive Plots)

[type your answers here]

 

Make a Statistical Decision

[type your answers here]

 

Make a Statistical Conclusion (Include your answer to the question asked in the problem)

[type your answers here]

 

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