Sta 2381 exam - Study guides, Class notes & Summaries

Descriptive Statistics v Inferential Statistics - ANSWER Descriptive statistics describes sets of data. Inferential statistics draws conclusions about the sets of data based on sampling. Population v Variable - ANSWER A population is a set of units of interest to a study. A variable is a characteristic or property of the units being studied. Population v Sample - ANSWER A population is a set of units of interest to a study. A sample is a subset of the units of a population.

T/F) The probability distribution of all the possible sample meas composed from samples of size n is known as the sampling distribution of the sample mean - ANSWER True (T/F) The standard error of the sample mean is another term for the standard deviation of the sample mean - ANSWER True (T/F) With increasing sample size the sampling distribution of the sample mean approaches normality, regardless of the distribution of the population from which the data is sampled - ANSWER True

STA 2381 (Probability and Statistics) FORM A EXAM 2Questions with Answer Key 2023/2024 Spring Series Baylor University

STA 2381 Exam |Questions with Correct Verified Answers

STA 2381 Exam 2024|Questions with Correct Verified Answers

STA 2381 (Probability and Statistics) FORM A EXAM 2Questions with Answer Key 2023/2024 Spring Series Baylor University.

STA 2381 Cumulative Exam |Questions with Correct Verified Answers

T/F: Every estimator has a sampling distribution that is identical to the distribution of the population of interest - ANSWER False T/F: Chebychev's Theorem is used to help understand the concept of a standard deviation and applies to any random variable - ANSWER True T/F: The empirical rule is used to help understand the concept of the location of a population and applies only to symmetric unimodal continuous random variables - ANSWER False T/F: The empirical rule is used to help underst...

STA 2381- Statistics Exam | Questions with Correct Verified Answers