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Free CFA Quantitative Methods Practice Questions & Answers

1,200 exam-style Quantitative Methods questions. Pick your answer, hit Check answer, and see the worked solution — free to start, no signup.

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Question 481

A sparse token that appears in only one document is likely to:

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Question 482

The main goal of text preprocessing is to:

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Question 483

A histogram is most useful for:

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Question 484

A box plot is best used to identify:

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Question 485

A scatterplot is most appropriate for:

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Question 486

One‑hot encoding is used to:

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Question 487

Dimensionality reduction techniques like PCA are used to:

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Question 488

A key benefit of dimensionality reduction is:

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Question 489

A density plot is used to:

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Question 490

A bar chart is most appropriate for:

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Question 491

A multi‑box plot is useful for:

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Question 492

A line chart is most appropriate for:

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Question 493

Normalization rescales numeric features to:

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Question 494

Winsorization is used to:

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Question 495

A missing‑value heat map helps identify:

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Question 496

Imputing missing values with the mean is appropriate when the variable is:

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Question 497

Imputing missing values with the mode is appropriate for:

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Question 498

A scatterplot matrix is used to:

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Question 499

Feature scaling is important because:

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Question 500

Outliers can distort:

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Question 501

A log transformation is useful when:

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Question 502

A derived feature such as “income_above_100k” is an example of:

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Question 503

A pairplot is useful for:

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Question 504

A categorical variable with many unique values may cause:

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Question 505

A feature strongly correlated with another feature is:

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Question 506

A time‑based feature such as “day_of_week” is an example of:

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Question 507

Removing features with extremely high cardinality helps reduce:

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Question 508

A violin plot is used to show:

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Question 509

A derived feature such as “price_per_unit” is created by:

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Question 510

A scatterplot with a fitted line helps identify:

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Free CFA Quantitative Methods Practice Questions & Answers

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