Chapter 1 Intro to Probability and Statistics (Math 120) Questions With Correct Answers 2024

Approach - correct answer--a way to look at and organize a problem so that it can be solved. Bias - correct answer--when the results of the sample are not representative of the population. Blinding - correct answer--refers to nondisclosure of the treatment an experimental unit is receiving. Block - correct answer--the term used to refer to each group of homogenous individuals in a blocking experiment. Blocking - correct answer--is when you group together similar experimental units and then randomly assigning the experimental units within each group to a treatment. Census - correct answer--is a list of all individuals in a population along with certain characteristics of each individual. Cluster Sample - correct answer--is obtained by selecting all individuals within a randomly selected collection or group of individuals. Completely Randomized Design - correct answer--is one in which each experimental unit is randomly assigned to a treatment. Confounding - correct answer--is when the effects of two or more explanatory variables are not separated. Therefor, any relation that may exist between an explanatory variable and the response variable may be due to some other variable or variables not accounted for in the study. Confounding Variable - correct answer--is an explanatory variable that was not considered in a study whose effect cannot be distinguished from a second explanatory variable in a study. Continous Data - correct answer--are observations corresponding to a continuous variable Continous Variable - correct answer--is a quantitative variable that has an infinite number of possible valued that are not countable. A continuous variable may take on every possible value between any two values.