Question

Question 5 (2.5 points) Wied 290 2 re 700 Chalermo The contingency table shows results results from a cholera inoculation study. What is the odds of getting infected it an individual is not inoculated? 3/66 = 0.05 3/276 -0.01 276/3 = 92 66/473 = 0.14 Question 6 (2.5 points) In terms of measurement scales. what type of scale uses categories with no order? Nominal Ordinal Discrete 1 and 3 Question 7 (2.5 points) Very sensitive screening tests may detect abnormalities that have little clinical significance. This can lead to over diagnosis of potentially benign conditions. Truc False Question 8 12.5 points) Define Frequency when describing a health event Demographic factors which may be related to risk of illness, injury or disability such as ek marital stats and socioeconomic status buviors and wironmental exposures Number of cases that events in a population compared to the size of the population a Buth and None of the above

Answer 1

Question 5. Sorry, some data on the table is not visible.

Question 6. Nominal Scale (This type of scale can be categorised and simple operations like addition, substraction, multiplication and division is not possible since they don't have numeric value or order)

Question 7. False (A test with 100% sensitivity is considered ideal as it detects every possible problem even the smallest one with the patient and nothing goes undetected)

Question 8. Frequency can be defined as the number of cases or health events in a population compared to the size of the population.

Pattern refers to the demographic factor which may be related to the risk of illness, injury or disability suh as age, sex, marital status, and socioeconomic status behavior and environmental exposure