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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 271

A histogram is most useful for:

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Question 272

A box plot is best used to identify:

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Question 273

A scatterplot is most appropriate for:

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Question 274

One‑hot encoding is used to:

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Question 275

Dimensionality reduction techniques like PCA are used to:

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Question 276

A key benefit of dimensionality reduction is:

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Question 277

A density plot is used to:

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Question 278

A bar chart is most appropriate for:

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Question 279

A multi‑box plot is useful for:

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Question 280

A line chart is most appropriate for:

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Question 281

Normalization rescales numeric features to:

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Question 282

Winsorization is used to:

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Question 283

A missing‑value heat map helps identify:

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Question 284

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

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Question 285

Imputing missing values with the mode is appropriate for:

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Question 286

A scatterplot matrix is used to:

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Question 287

Feature scaling is important because:

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Question 288

Outliers can distort:

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Question 289

A log transformation is useful when:

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Question 290

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

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Question 291

A pairplot is useful for:

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Question 292

A categorical variable with many unique values may cause:

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Question 293

A feature strongly correlated with another feature is:

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Question 294

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

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Question 295

Removing features with extremely high cardinality helps reduce:

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Question 296

A violin plot is used to show:

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Question 297

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

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Question 298

A scatterplot with a fitted line helps identify:

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Question 299

A feature with a highly skewed distribution may benefit from:

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Question 300

A feature with many zero values is considered:

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Free CFA Quantitative Methods Practice Questions & Answers

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