Bunuel wrote:
In a ten-year study, one group of volunteers was given a medical screening for disease X every year, whereas an otherwise similar group of the same size was only screened for disease X at the end of the study. Nine percent of the first group were diagnosed with disease X during the study and received treatment, but only six percent of the second group were diagnosed with disease X when they received the screening at the end of the study. The researchers concluded that during the ten-year period, disease X must have disappeared without medical treatment in some individuals in the second group.
In order to evaluate the strength of the researcher's reasoning, it would be most helpful to know which of the following?
A. Whether there were statistically significant lifestyle differences between the individuals who were diagnosed with disease X and those who were not
B. How many people volunteered for the study because they knew that they had an especially
...
In order to evaluate the strength of the researcher's reasoning, it would be most helpful to know which of the following?
A. Whether there were statistically significant lifestyle differences between the individuals who were diagnosed with disease X and those who were not
B. How many people volunteered for the study because they knew that they had an especially
...
Statistics : Posted by sachi-in • on 02 Aug 2023, 04:00 • Replies 8 • Views 7487
