Bsan 202 exam - Study guides, Class notes & Summaries

BSAN 202 Exam Questions with Answers Z = (Y - mu) / population standard deviation has a normal distribution with mean = 0 and standard deviation = 1 - Answer-If Y has a normal distribution with E(Y) = mu and Var(Y) = population standard deviation^2 then ___ series of independent trials. success or failure. probability of success is constant - Answer-conditions for binomial distribution P(x) = (n choose x) pi^x (1 - pi)^(n - x). E(X) = n(pi). Var(X) = n(pi)(1 - pi) - Answer-Binomial pro...

BSAN 202 Final Exam Questions and Answers nonresponse bias - Answer-bias introduced to a sample when a large fraction of those sampled fails to respond Causation - Answer-A causes B Correlation - Answer-A and B are caused by changed in C (which may or may not be known) Cofounding - Answer-B is caused by changed in A and C which may not be known Confidence Interval test for π - Answer-πhat +- (1.96)(sqrt((π(1-π)/n)) Confidence Interval for mean (σ known) - Answer-x̅ +- 1.96...