COB 191 final 2023 Exam Questions And Answers

COB 191 final 2023 Exam Questions And Answers using information obtained from a sample to estimate a characteristic of a population is - ANSWER- inferential stats which of the following can be reduced by proper interviewer training? - ANSWERmeasurement error if you are unsure about one section of data, what type of statistical error can occur? - ANSWER- measurement error What type of data is: your professor's name - ANSWER- qualitative categorical data/nominal What type of data is: how many exams you have throughout the class - ANSWERquantitative numerical data/ratio What type of data is: average percentage of an exam - ANSWER- quantitative numerical data/ratio What type of data is: how much you like your professor (a lot, a little, not at all) - ANSWER- qualitative categorical data/ordinal What type of data is: what time is your class - ANSWER- qualitative categorical data/ordinal discrete data - ANSWER- can be counted and are whole numbers continuous data - ANSWER- a measurement and has decimal points poisson distribution - ANSWER- useful for calculating the probability that a certain number of events will occur over a specific interval of time parameters - ANSWER- characteristic of a population statistics - ANSWER- characteristic of a sample central limit theory - ANSWER- sample means from samples 30 or larger will be normally distributed the CLT is important in stat because - ANSWER- it says that for a large n, the sampling distribution of the mean is approx norma