Among the 4 tests below, ________ is a parametric significance test.

1. Mann-Whitney U test
2. Wilcoxon Signed Rank t test
3. Independent sample t test
4. Kruskal-Wallis One-Way ANOVA by ranks

Which of the following is NOT true about parametric modeling _____ ?

1. Requires larger training data than nonparametric modeling
2. make assumptions about the form or shape of the model
3. is easier to explain than nonparametric modeling
4. has lower risk for overfitting than nonparametric modeling

In data modeling, input variable is also called ______

1. predictor
2. Independent variable
3. feature
4. all of the above

Overfitting occurs when a method yields _________

1. a small training MSE but a large test MSE
2. a large training MSE but a small test MSE
3. the same training MSE and test MSE
4. a small training MSE and a small test MSE

In linear regression, _______ measures the proportion of variance in Y that can be explained using X

1. TSS
2. RSS
3. R square
4. None of the above

In regression, ______ starts with no predictor and adds predictors one by one until a stop rule is satisfied

1. Backward selection
2. Forward selection
3. Mixed selection
4. Pairwise selection

The process of sentiment analysis include ________

1. removing stop words
2. tokenization
3. classification
4. all of the above

In ________, the designer provides no information about how to solve the problem.

1. supervised learning
2. unsupervised learning
3. reinforcement learning
4. none of the above

In Tableau, _________ contains a collection of dashboards that provide higher level understanding of the data.

1. worksheet
2. story
3. shelve
4. filter

In hierarchical cluster analysis, the ________ method combines clusters using the distance between the furthest elements in the clusters.

1. complete link
2. single link
3. average link
4. centriods