Cap Questions Answer (Certified Analytics) |24 Questions| With Correct Answers.

4. Which of the following is an effective optimization method? a)Analysis of variance (ANOVA) b)Generalized linear regression model (GLM) c)Box-Jenkins Method (ARIMA) d)Mixed integer programming (MIP) {Ans: 4d ============================= *ANOVA* - one way analysis of variance, --> to determine whether there are any statistically significant differences between the means of three or more independent (unrelated) groups. - What is the ANOVA used for? The one-way ANOVA compares the means between the groups you are interested in , and determines whether any of those means are *statistically significantly different* from each other. e.g. you have 3 groups of running, one is start low then fast, one is start fast then slow speed, the other is steady pace. Is there any significant difference between 3 groups? =============================}22. Each month you generate a list of marketing leads for direct mail campaigns. Which of the following should you do before the list is used? a)Exclude people who were on the list the previous month. b)Retain x% of the leads as control for performance measurement. c)Remove opt-outs. d)Exclude people who were never on the list. {Ans: 22c}15. One of the main advantages of tree-based models and neural networks is that they: a)are easy