STA F309 Texas

STA309 Elementary Business Statistics Unique Number 71995 PROFESSOR Betsy Greenberg Hours: Tuesday, Thursday 10:00 - 11:15 am or by appointment Phone: 471-1756 Office: CBA 6.306 E-mail: Betsy.Greenberg@mccombs.utexas.edu TEACHING ASSISTANT Kathy Ho E

STA309 Elementary Business Statistics Unique Number 71995 PROFESSOR Betsy Greenberg Hours: Tuesday, Thursday 10:00 - 11:15 am or by appointment Phone: 471-1756 Office: CBA 6.306 E-mail: Betsy.Greenberg@mccombs.utexas.edu TEACHING ASSISTANT Kathy Ho E

STA309 Final Inference for Distributions Inference for the mean of a population: o When is known: Tests and confidence intervals for the mean m of a normal population are based on the sample mean J of an SRS. Because of the central limit theorem, th

STA309 Exam I Examining distribution with graphs: Variables: the characteristics of the individuals. Individuals may be people or objects. A variable can take different values for different individuals. o Quantitative variables: takes numerical value

STA309 Exam 1 Examining distribution with graphs Variables: the characteristics of the individuals. Individuals may be people or objects. A variable can take different values for different individuals. o Types of variables: Quantitative variables: t

STA309 Exam II Probability and Sampling Random phenomenon: if individual outcomes are uncertain but there is nonetheless a regular distribution of outcomes in a large number of repetitions Parameters and Statistics: o Parameter: describes the populat

Pop.: Entire group individuals for whom we want info. Quant. Info: Can calc. mean, std. dev., variance. Categorical: only proportion. =Pop. mean =Pop. variance =Pop. std. deviation Sample: Subset of pop. Subgroups that are in proportion to total pop.