C784 C 784 Pre-Assessment Latest

C784 / C 784 Pre-Assessment (Latest Update 2025 / 2026) Applied Healthcare Statistics | Questions and Verified Answers | Grade A | 100% Correct - WGU

Question:

A researcher found the following results when studying the number of patients who survived surgery at two different hospitals.Hospital A Hospital B Died 3% 2% Survived 97% 98% What is true about the relationship between the survival rate and the hospital?

• Hospital B has a higher survival rate because 98% is higher than 97%.
• Hospital A has a higher survival rate because 3% is higher than 2%.
• Hospital B has a higher survival rate because 98% is higher than 2%.
• Hospital A has a higher survival rate because 97% is higher than 3%.

Answer:

• Hospital B has a higher survival rate because 98% is higher than 97%. 1 / 3

Question:

A physician collects retrospective data from smoking and nonsmoking patients to determine the relationship between smoking and lung cancer.Results Lung Cancer No Lung Cancer Total Smoker 77% 23% 100% Non-Smoker 22% 78% 100% Which data indicate the relationship between smoking and lung cancer?

• Nonsmokers are less likely to have lung cancer than smokers because 23%

is less than 77%.

• Smokers are more likely to have lung cancer than nonsmokers because 23%

is greater than 22%.

• Nonsmokers are less likely to have lung cancer than smokers because 78%

is greater than 77%.

• Smokers are more likely than nonsmokers to have lung cancer because

77% is greater than 22%.

Answer:

• Smokers are more likely than nonsmokers to have lung cancer because 77%

is greater than 22%.

• / 3

Question:

A researcher studied patients' preferences for physician attire based on setting.Physician's Office Emergency Room Casual and white coat 17% 10% Formal and white coat 67% 24% Scrubs 7% 65% Business suit 9% 1% What is true about the preferred attire for physicians in an office?

• Patients prefer their physician to wear scrubs instead of casual clothes and

a white coat because 65% is greater than 17%.

• Patients do not prefer their physician to wear scrubs instead of casual

clothes and a white coat because 7% is less than 9%.

• Patients prefer their physician to wear formal clothes and a white coat

instead of casual clothes and a white coat because 67% is greater than 17%.

• Patients do not prefer their physician to wear scrubs instead of formal

clothes and a white coat because 65% is less than 67%.

Answer:

• Patients prefer their physician to wear formal clothes and a white coat

instead of casual clothes and a white coat because 67% is greater than 17%.

• / 3