Which of the following studies can be used to make generalizations or predictions about how study variables will relate to a larger population? O A. Descriptive O B. Experimental O C. Correlational O D. Both experimental and correlationalQuestion 22 An experimenter wants to study the effects of a new drug on blood pressure in a sample of 20 hypertensive adults. The study sample is randomly divided into two groups, a novel group (new drug) and a standard group (old drug). During a visit. the 1 points experimenter measures blood pressure before and after a single dose of the drug in both groups. Save A Identify the dependent variable in this drug study? O A. Blood pressure O B, Old drug O C. New drug O D. Hypertensive adultsWhat is the median salary ($) based on the sample data shown below? Salary frequency 30,000 3 40000 4 45000 2Which of the following measures of central tendency will you use for a data set containing different car makes (e.g. Toyota, Honda, BMW, etc.)? O A. Median O B. Mean C. None of the above O D. ModeWhat is the relative frequency for the salary of $45,000? Salary frequency 30,000 3 40000 4 45000 2