# Q and A for final module

I’m studying for my Statistics class and don’t understand how to answer this. Can you help me study?

### Save your time - order a paper!

Get your paper written from scratch within the tight deadline. Our service is a reliable solution to all your troubles. Place an order on any task and we will take care of it. You won’t have to worry about the quality and deadlines

Order Paper Now

Question 11 pts

SQL is an acronym for _____________.

Flag this QuestionQuestion 21 pts

For a prediction task with 7 features, what would be a desirable sample size?

Flag this QuestionQuestion 31 pts

The response (outcome) variable is whether the customer defaulted on their debt. The
predictor is the average balance and gender (gender = 1 if male and 0 if female). The following
R output is the fitted logistic regression model.

 Coefficients: Estimate Std. Error z value Pr(>|z|)(Intercept) -10.87 0.5170250 -21.03 <2e-16 ***balance 0.001744 0.0002494 6.99 <2e-16 *** genderM -0.631 0.1153 -5.47 <2e-16 ***—

From the output, will a male customer with the average debt of \$4000 default?

Flag this QuestionQuestion 41 pts

Classification and Regression Trees (CART) is __________.

Flag this QuestionQuestion 51 pts

k-nearest neighbor (kNN) is ______________.

Flag this QuestionQuestion 61 pts

Consider the dataset
1.3, 1.5, 2.6, 2.8, 3.3, 4.0, 8.9.
Using a rule of +/-3, it 8.9 an outlier? The mean and standard deviation are 3.5 and 2.57, respectively.

Flag this QuestionQuestion 71 pts

Which one of the following is NOT a data mining algorithm after completion of sampling, handling missing values, and dealing with outliers?

Flag this QuestionQuestion 81 pts

Consider the following dataset. Compute the distance between the 1st and 3rd sample.

 sample acidity density alcohol pH 1 0 0.9968 9.8 3.2 2 0.04 0.997 9.8 3.26 3 0.56 0.998 9.8 3.16

Flag this QuestionQuestion 91 pts

The response (outcome) variable is whether the customer defaulted on their debt. The
predictor is the average balance. The following R output is the fitted logistic regression model.

 Coefficients: Estimate Std. Error z value Pr(>|z|)(Intercept) -10.87 0.5170250 -10.08 <2e-16 ***balance 0.001744 0.0002494 11.12 <2e-16 ***—

From the output, will a customer with the average debt of \$8000 default?