WORKSHEET 3: Experimental Design Name Please fill in the definitions of all bold faced words before coming to class using either the textbook or powerpoint slides found in Canvas. The purpose of an experiment is to investigate the relationship between two When one variable "causes" change in the other another, we call the first variable the The variable that's changing [i.e. the affected variable) is called the The different values for the explanatory variable are called the An experimental is a single object or individual to be measured. 1. A drug company creates a new medication that is supposed to help you lose weight. 50 randomly selected women between the ages of 18-34 and their initial weights were recorded. Half of them were then given the medication and the other half were given a sugar pill every day for a month. At the end of the study, the participants weight was measured to see the amount of weight lost. On each line below, fill in the letter of the phrase that best describes each of the items below: population explanatory variable sample response variable experimental unit treatments a, medicine, sugar pill b. a randomly selected 18-34 year old woman participating in the study all women d. the kind of pill the participant took all women between the ages of 18-34 amount of weight lost g. 50 randomly selected women between the ages of 18-34 Preparing your question to be sent to tutors