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384 patients with coronavirus have been hospitalised in the city hospital. 240 have been treated with...

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Advance Math

384 patients with coronavirus have been hospitalised in the cityhospital. 240 have been treated with anti-viral medication and 144have not.  

Perform a hypothesis test to determine if there is a relationsipbetween patients being given anti-viral drugs and developingpneumonia. Use a 1% level of significance.

The observed values are presented below.

Anti-viral drug treatment:

  

with drugswith no drugstotal
Pneumonia60120180
No pneumonia18024204
total240144384

1- fill the expected values in the table below

anti-viral drug treatment

with drugswith no drugstotal
Pneumonia??180
No pneumonia??204
total240144384

2- fill in the two missing x2 values

contribution to the x2 test statistics

with drugswith no drugs
pneumonia24.5?
no pneumonia?36.0294

3- calculate test statistics (2dp)

4- reject H0 if x2 > ___ (3dp)

5- (reject/ do not reject) H0, there is(sufficient/insufficient) evidence to indicate that there is arelationship between drug treatment and pneumonia

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