BIDA 630 DATA ANALYTICS FINAL QUESTIONS AND CORRECT ANSWERS | LATEST UPDATE
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Course
BIDA 630
Institution
BIDA 630
Identify whether the task required is supervised or unsupervised learning: Predicting
whether a company will go bankrupt based on comparing its financial data to those of similar
bankrupt and nonbankrupt firms.
-:- Supervised learning, all information evaluated is known
Identify whether the ...
BIDA 630 DATA ANALYTICS FINAL
QUESTIONS AND CORRECT ANSWERS |
LATEST UPDATE
Identify whether the task required is supervised or unsupervised learning: Predicting
whether a company will go bankrupt based on comparing its financial data to those of similar
bankrupt and nonbankrupt firms.
✓ -:- Supervised learning, all information evaluated is known
Identify whether the task required is supervised or unsupervised learning: Printing of custom
discount coupons at the conclusion of a grocery store checkout based on what you just
bought and what others have bought previously.
✓ -:- Unsupervised learning; outcomes are unknown
True or false: The test data are used to build models, or to further tweak the model or
improve its fit.
✓ -:- False
_____________ is used for assessing the performance of the final chosen model on new
When a model is fit to training data, zero error with those data is not necessarily good. This
special case is called ______.
✓ -:- Overfitting
True or false: Bar charts are useful for comparing a single statistic (e.g. average, count,
percentage) across groups. The height of the bar represents the value of statistic, and
different bars correspond to different groups.
✓ -:- True
Which of the following are the most popular visualization tools in JMP_Pro?
✓ -:- Graph Builder, Fit Y by X, Distribution
Scatter plots play important role in prediction. Next step can be developing a model. Scatter
plots provide information about relationships (linear or non-linear) between variables. The
variables in scatter plot ________.
✓ -:- Numerical
2|P a g e | G r a d e A + | 2 0 2 0 2 5
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