CORe Exam Question 86
A study was conducted to examine the relationship between age, education level, number of minor legal offenses, daily alcohol consumption, and annual income.
Based on the regression output below, what is the 95% confidence interval of the variable that has the highest statistical significance?
Based on the regression output below, what is the 95% confidence interval of the variable that has the highest statistical significance?
CORe Exam Question 87
If demand for cigarettes is relatively inelastic, how should a government implement a $1 per pack excise tax on cigarettes if the government's goal is to minimize cigarette consumption?
CORe Exam Question 88
A pharmaceutical company is developing a drug that aims to reduce the recovery time (in days) for a particular illness. To test the effect, the company gives 200 randomly selected patients a placebo and 200 randomly selected patients the new drug. The findings from the study are provided below.
Based on this output and a confidence level of 95%, which of the following options would be considered correct?
Based on this output and a confidence level of 95%, which of the following options would be considered correct?