Bst 322 - Study guides, Class notes & Summaries

BST 322-BST Final Exam 2-with 100% verified solutions-2023-2024

1. When calculating a Pearson's correlation coefficient, it is necessary that both variables have approximately normal distributions. - True 2. The variable "Group assignment" is an example of what level of measurement? - Nominal 3. Statistics that allow for inferences to be made about a population from the study of a sample are known as: - Inferential 4. Which measure of variability is used most often in conjunction with the mean? - Standard deviation 5. Data that are categorical b...

BST 322/BST Final Exam 2023 with complete solution;Actual test 100% Verified

coefficient of determination - Answer r2 linear regression - Answer an algorithm to find a precise line of fit for a set of data regression equation - Answer Y'= a +bX is the formula for best fiting straight line to charecterize the linear relationship between X and Y. Intercept concept - Answer Slope - Answer The steepness of a line on a graph Residulas - Answer The differences between Y and Y'

BST 322 Final Exam | Questions and answers | Latest 2024/25

BST 322 final UPDATED Exam Questions and CORRECT Answers Information collected in a numerical form is called - CORRECT ANSWER- quantitative Which measure of central tendency is at the highest point on a graph? - CORRECT ANSWER- mode Correlation coefficient tests allow you to determine if a cause and effect relationship is present. - CORRECT ANSWER- false Data that are categorical but can be rank-ordered in a meaningful way are called: - CORRECT ANSWER- ordinal If the mean is to the l...

Sampling error (SEM) The difference between the sample value and the parameter. Error in a statistical analysis arising from the unrepresentativeness of the sample taken. Reflects the tendency for statistics to fluctuate from one sample to another. Sampling distribution Are actually probability distributions, is central to estimates of sampling error. Sampling distribution of the mean A theoretical probability distribution of the means of an infinite number of samples given size...

Week 2 Assignment for BST 322. An Essential Study Resource just for YOU!!

When calculating a Pearson's correlation coefficient, it is necessary that both variables have approximately normal distributions.Answer - True The variable "Group assignment" is an example of what level of measurement?Answer - Nominal Statistics that allow for inferences to be made about a population from the study of a sample are known as:Answer - Inferential Which measure of variability is used most often in conjunction with the mean?Answer - Standard deviation Data that ar...