Mgsc 291 test - Study guides, Class notes & Summaries

mgsc 291 test Questions with complete solution 2024/2025 use log-log model when - correct answer When the response and explanatory variable move multiplicatively together - when you model log(y) against log(x) - Y changes B% for every 1% increase in x - B is an elasticity use logistic regression when - correct answer binary response (yes/no, 1/0, T/F) fit logistic regression using "glm" with the - correct answer family="binomial" argument predict logistic regression using "pr...

MGSC 291 - Hendrix - Test 1 with 100% correct answers graded A+

MGSC 291 - Hendrix - Test 1 Exam Questions Correctly Answered. How many rows of ATM transaction data do you have? Note: This asks for the number of observations (n), not the row number. - CORRECT ANSWER Highlighting the specific data in a column will give you the count, or you can do some row math. Check and clean your data. Did you find any problems? - CORRECT ANSWER Be sure you always check! Data should be complete (not missing any values), correct (not miscoded), and formatted correct...

MGSC 291 Exam 3 Question and answers 100% correct 2024/2025 The P-value of a hypothesis test is the probability of seeing a test statistic that extreme or more - correct answer in the direction of the alternative hypothesis if the null is true Multiple Linear Regression equation - correct answer y=Bo+B1X1+B2X2....+BkXk residual equation - correct answer y - y hat (observed y-fitted y) MLR degrees of freedom - correct answer Df=n-k-1 (k= number of predictors) Find/interpre...

MGSC 291 - Hendrix - Test 1 2023...

MGSC 291 Optional Final Exam Question and answers rated A+ 2024/2025The P-value of a hypothesis test is the probability of seeing a test statistic that extreme or more - correct answer in the direction of the alternative hypothesis if the null is true The Type II error rate of a statistical hypothesis test should be - correct answer small The interpretation of a hypothesis test result is about the - correct answer parameter The Type I error rate of a statistical test is - corre...

mgsc 291 exam 3 hendrix Questions with complete solution 2024/2025Increasing the sample size will usually yield a _______ confidence interval - correct answer narrower Increasing the confidence level will yield a _____ confidence interval - correct answer wider What does it mean if the R-square for a regression is 0.346 and the adjusted R-square is 0.271? - correct answer There is a weak predictor in the model. Standard error is interpreted with the _____ variable - correct an...

MGSC 291 EXAM WITH QUESTIONS AND ANSWERS What does a 95% confidence interval mean? - ANSWER if we were to continue to take a sample, we can be 95% confident that the interval will contain the true mean. (5% of the time the interval won't) 95% confidence R code one sample t test - ANSWER >(column) This defaults to 95% conf level and alternative of not equal to zero 90% confidence R code - ANSWER >(column,=0.90) Changes confidence level and alternative defaults to not equal to zero ...

mgsc 291 exam 2 professor hendrix Question and answers 100% correct 2024/2025The P-value of a hypothesis test is the probability of seeing a test statistic that extreme or more... - correct answer in the direction of the alternative hypothesis if the null is true The interpretation of a hypothesis test result is about the - correct answer parameter what is used to form the interpretation of a hypothesis test result? - correct answer statistic power: - correct answer reject...