

McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Business Administration in Computer Applications (BBA [CA]) .
Chapters
1. |
Which of the following can be used to create sub–samples using a maximum dissimilarity approach? |
A. | minDissim |
B. | maxDissim |
C. | inmaxDissim |
D. | All of the Mentioned |
Answer» B. maxDissim |
2. |
Which of the following can be used to impute data sets based only on information in the training set? |
A. | postprocess |
B. | preProcess |
C. | process |
D. | All of the Mentioned |
Answer» B. preProcess |
3. |
Which of the following model model include a backwards elimination feature selection routine? |
A. | MCV |
B. | MARS |
C. | MCRS |
D. | All of the Mentioned |
Answer» B. MARS |
4. |
Which of the following is a categorical outcome? |
A. | RMSE |
B. | RSquared |
C. | Accuracy |
D. | All of the Mentioned |
Answer» C. Accuracy |
5. |
Which of the following function provides unsupervised prediction ? |
A. | cl_forecast |
B. | cl_nowcast |
C. | cl_precast |
D. | None of the Mentioned |
Answer» D. None of the Mentioned |
6. |
What is true about Machine Learning? |
A. | Machine Learning (ML) is that field of computer science |
B. | ML is a type of artificial intelligence that extract patterns out of raw data by using an algorithm or method. |
C. | The main focus of ML is to allow computer systems learn from experience without being explicitly programmed or human intervention. |
D. | All of the above |
Answer» D. All of the above |
7. |
ML is a field of AI consisting of learning algorithms that? |
A. | Improve their performance |
B. | At executing some task |
C. | Over time with experience |
D. | All of the above |
Answer» D. All of the above |
8. |
p → 0q is not a? |
A. | hack clause |
B. | horn clause |
C. | structural clause |
D. | system clause |
Answer» B. horn clause |
9. |
The action _______ of a robot arm specify to Place block A on block B. |
A. | STACK(A,B) |
B. | LIST(A,B) |
C. | QUEUE(A,B) |
D. | ARRAY(A,B) |
Answer» A. STACK(A,B) |
10. |
A__________ begins by hypothesizing a sentence (the symbol S) and successively predicting lower level constituents until individual preterminal symbols are written. |
A. | bottow-up parser |
B. | top parser |
C. | top-down parser |
D. | bottom parser |
Answer» C. top-down parser |
11. |
A model of language consists of the categories which does not include ________. |
A. | System Unit |
B. | structural units. |
C. | data units |
D. | empirical units |
Answer» B. structural units. |
12. |
Different learning methods does not include? |
A. | Introduction |
B. | Analogy |
C. | Deduction |
D. | Memorization |
Answer» A. Introduction |
13. |
The model will be trained with data in one single batch is known as ? |
A. | Batch learning |
B. | Offline learning |
C. | Both A and B |
D. | None of the above |
Answer» C. Both A and B |
14. |
Which of the following are ML methods? |
A. | based on human supervision |
B. | supervised Learning |
C. | semi-reinforcement Learning |
D. | All of the above |
Answer» A. based on human supervision |
15. |
In Model based learning methods, an iterative process takes place on the ML models that are built based on various model parameters, called ? |
A. | mini-batches |
B. | optimizedparameters |
C. | hyperparameters |
D. | superparameters |
Answer» C. hyperparameters |
16. |
Which of the following is a widely used and effective machine learning algorithm based on the idea of bagging? |
A. | Decision Tree |
B. | Regression |
C. | Classification |
D. | Random Forest |
Answer» D. Random Forest |
17. |
To find the minimum or the maximum of a function, we set the gradient to zero because: |
A. | The value of the gradient at extrema of a function is always zero |
B. | Depends on the type of problem |
C. | Both A and B |
D. | None of the above |
Answer» A. The value of the gradient at extrema of a function is always zero |
18. |
Which of the following is a disadvantage of decision trees? |
A. | Factor analysis |
B. | Decision trees are robust to outliers |
C. | Decision trees are prone to be overfit |
D. | None of the above |
Answer» C. Decision trees are prone to be overfit |
19. |
How do you handle missing or corrupted data in a dataset? |
A. | Drop missing rows or columns |
B. | Replace missing values with mean/median/mode |
C. | Assign a unique category to missing values |
D. | All of the above |
Answer» D. All of the above |
20. |
When performing regression or classification, which of the following is the correct way to preprocess the data? |
A. | Normalize the data -> PCA -> training |
B. | PCA -> normalize PCA output -> training |
C. | Normalize the data -> PCA -> normalize PCA output -> training |
D. | None of the above |
Answer» A. Normalize the data -> PCA -> training |
21. |
Which of the following statements about regularization is not correct? |
A. | Using too large a value of lambda can cause your hypothesis to underfit the data. |
B. | Using too large a value of lambda can cause your hypothesis to overfit the data |
C. | Using a very large value of lambda cannot hurt the performance of your hypothesis. |
D. | None of the above |
Answer» D. None of the above |
22. |
Which of the following techniques can not be used for normalization in text mining? |
A. | Stemming |
B. | Lemmatization |
C. | Stop Word Removal |
D. | None of the above |
Answer» C. Stop Word Removal |
23. |
In which of the following cases will K-means clustering fail to give good results? 1) Data points with outliers 2) Data points with different densities 3) Data points with nonconvex shapes |
A. | 1 and 2 |
B. | 2 and 3 |
C. | 1 and 3 |
D. | All of the above |
Answer» D. All of the above |
24. |
Which of the following is a reasonable way to select the number of principal components "k"? |
A. | Choose k to be the smallest value so that at least 99% of the varinace is retained. |
B. | Choose k to be 99% of m (k = 0.99*m, rounded to the nearest integer). |
C. | Choose k to be the largest value so that 99% of the variance is retained. |
D. | Use the elbow method. |
Answer» A. Choose k to be the smallest value so that at least 99% of the varinace is retained. |
25. |
What is a sentence parser typically used for? |
A. | It is used to parse sentences to check if they are utf-8 compliant. |
B. | It is used to parse sentences to derive their most likely syntax tree structures. |
C. | It is used to parse sentences to assign POS tags to all tokens. |
D. | It is used to check if sentences can be parsed into meaningful tokens. |
Answer» B. It is used to parse sentences to derive their most likely syntax tree structures. |
26. |
Data Analysis is a process of? |
A. | inspecting data |
B. | cleaning data |
C. | transforming data |
D. | All of the above |
Answer» D. All of the above |
27. |
Which of the following is not a major data analysis approaches? |
A. | Data Mining |
B. | Predictive Intelligence |
C. | Business Intelligence |
D. | Text Analytics |
Answer» B. Predictive Intelligence |
28. |
How many main statistical methodologies are used in data analysis? |
A. | 2 |
B. | 3 |
C. | 4 |
D. | 5 |
Answer» A. 2 |
29. |
In descriptive statistics, data from the entire population or a sample is summarized with ? |
A. | integer descriptors |
B. | floating descriptors |
C. | numerical descriptors |
D. | decimal descriptors |
Answer» C. numerical descriptors |
30. |
Data Analysis is defined by the statistician? |
A. | William S. |
B. | Hans Peter Luhn |
C. | Gregory Piatetsky-Shapiro |
D. | John Tukey |
Answer» D. John Tukey |
31. |
Which of the following is true about hypothesis testing? |
A. | answering yes/no questions about the data |
B. | estimating numerical characteristics of the data |
C. | describing associations within the data |
D. | modeling relationships within the data |
Answer» A. answering yes/no questions about the data |
32. |
The goal of business intelligence is to allow easy interpretation of large volumes of data to identify new opportunities. |
A. | TRUE |
B. | FALSE |
C. | Can be true or false |
D. | Can not say |
Answer» A. TRUE |
33. |
The branch of statistics which deals with development of particular statistical methods is classified as |
A. | industry statistics |
B. | economic statistics |
C. | applied statistics |
D. | applied statistics |
Answer» D. applied statistics |
34. |
Which of the following is true about regression analysis? |
A. | answering yes/no questions about the data |
B. | estimating numerical characteristics of the data |
C. | modeling relationships within the data |
D. | describing associations within the data |
Answer» C. modeling relationships within the data |
35. |
Text Analytics, also referred to as Text Mining? |
A. | TRUE |
B. | FALSE |
C. | Can be true or false |
D. | Can not say |
Answer» A. TRUE |
36. |
What is true about Data Visualization? |
A. | Data Visualization is used to communicate information clearly and efficiently to users by the usage of information graphics such as tables and charts. |
B. | Data Visualization helps users in analyzing a large amount of data in a simpler way. |
C. | Data Visualization makes complex data more accessible, understandable, and usable. |
D. | All of the above |
Answer» D. All of the above |
37. |
Data can be visualized using? |
A. | graphs |
B. | charts |
C. | maps |
D. | All of the above |
Answer» D. All of the above |
38. |
Data visualization is also an element of the broader _____________. |
A. | deliver presentation architecture |
B. | data presentation architecture |
C. | dataset presentation architecture |
D. | data process architecture |
Answer» B. data presentation architecture |
39. |
Which method shows hierarchical data in a nested format? |
A. | Treemaps |
B. | Scatter plots |
C. | Population pyramids |
D. | Area charts |
Answer» A. Treemaps |
40. |
Which is used to inference for 1 proportion using normal approx? |
A. | fisher.test() |
B. | chisq.test() |
C. | Lm.test() |
D. | prop.test() |
Answer» D. prop.test() |
41. |
Which is used to find the factor congruence coefficients? |
A. | factor.mosaicplot |
B. | factor.xyplot |
C. | factor.congruence |
D. | factor.cumsum |
Answer» C. factor.congruence |
42. |
Which of the following is tool for checking normality? |
A. | qqline() |
B. | qline() |
C. | anova() |
D. | lm() |
Answer» A. qqline() |
43. |
Which of the following is false? |
A. | data visualization include the ability to absorb information quickly |
B. | Data visualization is another form of visual art |
C. | Data visualization decrease the insights and take solwer decisions |
D. | None Of the above |
Answer» C. Data visualization decrease the insights and take solwer decisions |
44. |
Common use cases for data visualization include? |
A. | Politics |
B. | Sales and marketing |
C. | Healthcare |
D. | All of the above |
Answer» D. All of the above |
45. |
Which of the following plots are often used for checking randomness in time series? |
A. | Autocausation |
B. | Autorank |
C. | Autocorrelation |
D. | None of the above |
Answer» C. Autocorrelation |
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