BSTAT-3321 questions well answered

BSTAT-3321 questions well answered

sample covariance - correct answer ✔✔measures the direction of the linear relationship
between two variables x and y



sample correlation coefficient - correct answer ✔✔gauges the direction and the strength of the
linear relationship between two variables x and y



test statistic - correct answer ✔✔a sample based measure used in hypothesis testing



regression analysis - correct answer ✔✔a statistical method for analyzing the relationship
between variables



response variable - correct answer ✔✔the variable that is influenced by the explanatory
variables. Also called the dependent variable



explanatory variable - correct answer ✔✔variables that influence the response variable. Also
called independent variables