4.2 Quiz 1 pts .com 3 pts ecture.com D Question 3 2 pts und in the dry fores to resist drought. How well do these pines grow in shade? in a greenhouse in either full light, light Determine whether each situation/question would best be determined by cloth, or light reduced to 5% of normal an experiment or a survey/study, At the end of the study, they dried the es and weighed them. What are the explanatory variable trents, and response variables for [ Select ] * Andre wants to estimate the this experiment? percentage of teenagers who wear glasses v. the percentage that are supposed to wear them and don't. He randomly selects 50 students from his school. amount of light [Choose ] Explanatory variable 2 [ Select ] Lorain wants to know if eating a Full reduced by 25%, and reduce response variable by 5% small serving of dark chocolate before taking a test has any effect on a spray bottle with a bug repellent label and the same scent as the repellent but the grade earned for that test. She randomly assigns students to either weight (without water) at the end [ Chomnel have 1 serving of dark chocolate or no chocolate before taking the of the study same test. 3. [ Select ] Anderson wants to determine the Select the item that would be considered a placebo. most common "favorite color" at his school, D Question 6 1 pts O a pair of glasses with clear, unadjusted lenses a pill that contains no active ingredients 4. [ Select ] Shara wants to determine the color You can only conclude cause and effect from a valid experiment. that catches peoples' eye the most when combined with a variety of no chemical ingredients other colors. a new cholesterol medicine True OFabse Question 5 Question 4 re.com 2 pts 1 pts Select the word that is being defined by each description. a study in which the researcher