Data analytics midterm - Study guides, Class notes & Summaries

BCOR Midterm Exam Questions and Answers Latest Update 2024 | Rated A+. Business Problems How much to produce, How much to buy, When to open the store, What products to promote? Decision making types Strategic decisions, Tactical (managerial) decisions, and operational decisions Strategic decisions A decision that involves higher-level issues and that is concerned with the overall direction of the organization, defining the overall goals and aspirations for the organization's future. Tact...

BCOR Midterm Exam Questions and Answers | Latest Update 2024 | Rated A+. Business Problems How much to produce, How much to buy, When to open the store, What products to promote? Decision making types Strategic decisions, Tactical (managerial) decisions, and operational decisions Strategic decisions A decision that involves higher-level issues and that is concerned with the overall direction of the organization, defining the overall goals and aspirations for the organization's future. Ta...

Assumptions of OLS Linearity Assumption: E[Y] = β0 + β1x. We are assuming the expected value of Y for any given X is a linear function of X (approximates to a straight line) 2. Assumption about errors: We assume the error terms are independently and identically distributed (iid) normal random variables with 0 mean and variance σ. 3. Assumptions about predictors: For multiple regression (more than 1 predictor) we assume the predictors are linearly independent. Heteroskedasticity might requi...

(Excelsior) BUS431 Business Data Analytics - Latest Midterm Review .(Excelsior) BUS431 Business Data Analytics - Latest Midterm Review .(Excelsior) BUS431 Business Data Analytics - Latest Midterm Review .

HRMT 1101 Midterm Exam Questions & Answers 2024/25 Strategic HRM Process - ANSWERS1. establish the mission and the vision & strategy analysis 2. environemntal scan 3. anaysis of org character and culture 4. choice and implement of HR strategies w, education and audit of HR strategies What is at the core of all social organizations? - ANSWERSpeople 5 majors forces to consider in environmental scan - ANSWERSEconomic (cycles, global trades, productivity and inno improvement, knowl...

EBTM 350 MIDTERM EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE Which of the following is not a challenge faced by organizations that want to develop analytics capabilities? understanding benefits versus perceived costs of analytics studies What does business analytics use to help managers make better decisions? All of the above Determine whether the following statement is true or false. A deterministic model is one in which all model input information is either ...

EBTM 350 - MIDTERM (QUIZZES 1-3) EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Which of the following are reasons for data professionals to learn data wrangling skills? Analytics professionals need broader skill sets than data mining techniques Analytics professionals are superior to all other IT professionals Organizations will be able to make decisions more rapidly Analytics professionals can no longer rely on the IT department to provide data Analytics professionals n...

OMIS 472 Midterm Exam Question and answers correctly solved OMIS 472 Midterm Exam Data = - correct answer -raw figures -metadata Information = - correct answer With context data become information, reveals relationships between entities (What?) Knowledge = - correct answer With added meaning, reveals trends and patterns (Why?) Wisdom = - correct answer reveals ideas, principles, biases, insights over time (What could happen?) Decision= - correct answer course of acti...

BUAN 4310 Midterm Questions and Answers Already Passed What part of the data mining process takes the most time? Exploratory Data Analysis The purpose of sampling is to _____________________. Obtain sufficient information to draw a valid inference about a population. In data mining, classification is _______________________. a division of a set of examples into a number of categories. What is one appropriate strategy when the data set is too small for partitioning? Cross- valid...

EBTM 350 MIDTERM EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Business Analytics Involves extracting information and knowledge from data. Descriptive Analytics What has happened? Gather, organize, tabulate, visualize, and summarize. Predictive Analytics What could happen in the future? Prescriptive Analytics What should we do? Sample A subset of the population Population Entire group. Cross-Sectional Data Collected by recording a characteristic of many subjects at th...